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Слова на букву chem-culi (2629)

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conA, con A
Abbreviation for concanavalin A.
A glycoprotein containing d-mannose and d-galactose, constituting about 12% of total solids of egg white. It will bind iron ions. SYN: ovotransferrin.
A steroid alkaloid; pregnane with a methylimino group bridging C-18 and C-20 (in α-configuration). SEE ALSO: conessine.
SYN: pineal body. [G. konarion (dim. of konos, cone), the pineal body]
The conscious tendency to act, usually an aspect of mental process; historically aligned with cognition and affection, but more recently used in the wider sense of impulse, ...
Pertaining to, or characterized by, conation.
A striving toward self-preservation and self-affirmation. [L. attempt]
A system of interconnecting cavities. [L. concameratio, a vault; fr. concamero, pp. -atus, to vault over, fr. camera, a vault]
concanavalin A
A phytomitogen, extracted from the jack bean (Canavalia ensiformis) that agglutinates the blood of mammals and reacts with glucosans; like other phytohemagglutinins, conA ...
A linear repeat of restriction fragments. [concatenate + -mer]
To link together in a chain or in a series. For example, the lymph nodes that appeared enlarged were concatenated, in a row like the links of a chain. The word "concatenate" comes ...
Luigi M., Italian physician, 1825–1882. See C. disease.
Having a depressed or hollowed surface. [L. concavus, arched or vaulted]
A hollow or depression, with more or less evenly curved sides, on any surface.
SYN: biconcave.
Concave on one surface and convex on the opposite surface.
1. A preparation made by extracting a crude drug, precipitating from the solution, and drying. 2. Increasing the amount of solute in a given volume of solution by evaporation of ...
Having a common center, such that two or more spheres, circles, or segments of circles are within one another.
1. An abstract idea or notion. 2. An explanatory variable or principle in a scientific system. SYN: conception (1). [L. conceptum, something understood, pp. ntr. of concipio, ...
Plural of conceptus.
1. SYN: concept. 2. Act of forming a general idea or notion. 3. Act of conceiving; the implantation of the blastocyte in the endometrium. [L. conceptio; see concept] - ...
Relating to the formation of ideas, usually higher order abstractions, to mental conceptions.
The product of conception, i.e., embryo or fetus and membranes.
In anatomy, a structure comparable to a shell in shape, as the auricle or pinna of the ear or a turbinate bone in the nose. [L. a shell] - c. of auricle [TA] the large ...
Shaped like a shell; having alternate convexities and concavities on the surface. [ concha + G. eidos, appearance]
In esotropia, one eye accompanying the other in all excursions, as in concomitant strabismus. [ con- + L. comito-, pp. -atus, to accompany]
SYN: comitant.
1. Agreement in the types of data that occur in natural pairs. For example, in a trait like schizophrenia, a pair of identical twins is concordant if both are affected or both ...
Denoting or exhibiting concordance.
A concretion; a deposit of calcareous material in a part. [L. con- cresco, to grow together]
1. SYN: coalescence. 2. In dentistry, the union of the roots of two adjacent teeth by cementum. [see concrement]
concretio cordis
Extensive adhesion between parietal and visceral layers of the pericardium with partial or complete obliteration of the pericardial cavity. SYN: internal adhesive ...
The formation of solid material by aggregation of discrete units or particles. [L. cum, together, + crescere, to grow]
Inability to abstract with an overemphasis on specific details; seen in mental disorders, such as dementia and schizophrenia, and also normally in children. [L. con-cresco, pp. ...
A traumatic injury to tissues of the body such as the brain as a result of a violent blow, shaking, or spinning. For information specifically about concussion of the brain, ...
Concussion of the brain
A traumatic injury to the brain as a result of a violent blow, shaking, or spinning. A brain concussion can cause immediate and usually temporary impairment of brain function ...
1. Making more solid or dense. 2. The change of a gas to a liquid, or of a liquid to a solid. 3. In psychoanalysis, an unconscious mental process in which one symbol stands for ...
To pack; to increase the density of; applied particularly to insertion of gold foil or silver amalgam in a cavity prepared in a tooth.
1. An apparatus for cooling a gas to a liquid, or a liquid to a solid. 2. In dentistry, a manual or powered instrument used for packing a plastic or unset material into a cavity ...
The term "condition" has a number of biomedical meanings including the following: {{}}An unhealthy state, such as in "this is a progressive condition." A state of fitness, such ...
Condition, Sever
Inflammation of the growth plate of the calcaneus, the bone at the back of the heel. The inflammation is at the point where the Achilles tendon attaches. Sever condition occurs ...
1) Exercise and practice to build the body up for either improved normal performance, as in physical therapy, or in preparation for sports performance. 2) A method of educating ...
Conditioning, Pavlovian
Named after the Russian physiologist Ivan Petrovich Pavlov (1848-1936) who conditioned dogs to respond in what proved to be a predictable manner. At different points along the ...
Although the word "condom" usually refers to the male condom, there is also a female condom. Both male and female condoms are barrier methods of contraception. Male condoms: ...
Condom, female
Although the word " condom" usually conjures up the male condom, there is a female condom. The Reality Female Condom was approved by U.S. Food and Drug Administration ...
Condom, male
The male condom is a sheath placed over the erect penis before penetration, preventing pregnancy by blocking the passage of sperm. It is a barrier method of contraception. A ...
1. A measure of conductivity; the ratio of the current flowing through a conductor to the difference in potential between the ends of the conductor; the c. of a circuit is ...
1. The act of transmitting or conveying certain forms of energy, such as heat, sound, or electricity, from one point to another, without evident movement in the conducting body. ...
Conduction system, cardiac
The electrical conduction system that controls the heart rate. This system generates electrical impulses and conducts them throughout the muscle of the heart, stimulating the ...
1. The power of transmission or conveyance of certain forms of energy, as heat, sound, and electricity, without perceptible motion in the conducting body. 2. The property, ...
1. A probe or sound with a groove along which a knife is passed in slitting open a sinus or fistula; a grooved director. 2. Any substance possessing conductivity.
A channel. - apical-aortic c. a valved c. between the LV apex and aorta, used to treat severe otherwise unapproachable LV outflow tract obstruction. - ileal c. an isolated segment ...
Folded upon itself lengthwise. [L. con-, with, + duplico, pp. -atus]
conduplicato corpore
Condition in which the fetus is doubled up on itself in shoulder presentation.
The bark of Gonolobus c., Marsdenia c. (family Asclepiadaceae), a shrub of Ecuador and Peru; an aromatic bitter and astringent. [Peruv.]
Relating to a condyle.
A joint, like that of the knee, formed by condylar surfaces. [G. kondylos, condyle, + arthrosis, a jointing]
A rounded articular surface at the extremity of a bone. SYN: condylus [TA]. - balancing side c. in dentistry, the mandibular c. on the side away from which the mandible moves in ...
Excision of a condyle. [G. kondylos, condyle, + ektome, excision]
A point on the lateral outer or medial inner surface of the condyle of the mandible. [G. kondylion, dim. of kondylos, condyle]
Relating to or resembling a condyle. [G. kondylodes, like a knuckle, fr. kondylos, condyle, + eidos, resemblance]
Wartlike growths around the anus, vulva, or glans penis. There are three major types of condyloma, each of which is sexually transmitted. These include condyloma acuminatum or ...
Condyloma acuminatum
Genital warts caused by certain human papilloma viruses. Warts confined primarily to the moist skin of the genitals and around the anus due to viruses belonging to the family of ...
Condyloma subcutaneum
Molluscum contagiosum. Wartlike growths around the anus and genitals caused by a virus. Molluscum contagiosum is a contagious disease of the skin marked by the occurrence of ...
Relating to a condyloma.
Division, without removal of a condyle. [G. kondylos, condyle, + tome, incision]
SYN: condyle. [L. fr. G. kondylos, knuckle, the knuckle of any joint] - c. humeri [TA] SYN: condyle of humerus. - c. lateralis [TA] SYN: lateral condyle. - c. lateralis ...
A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provide sharp central vision and color vision. By contrast, the rods are the retinal ...
The bark of Holarrhena antidysenterica (family Apocynaceae), an Indian tree; used as an astringent and in the treatment of dysentery and amebiasis. SYN: kurchi bark. [E. ...
A steroid alkaloid derived from Holarrhena antidysenterica (conessi); a yellow astringent, used in the treatment of amebic dysentery and vaginal trichomoniasis. SYN: neriine, ...
SYN: connection. [L.] - c. intertendineus SYN: intertendinous connections of extensor digitorum, under connection.
The making of bizarre and incorrect responses, and a readiness to give a fluent but tangential answer, with no regard whatever to facts, to any question put; seen in amnesia and ...
SYN: confection. [L. fr. conficio, pp. -fectus, to make ready, prepare]
A pharmaceutical preparation consisting of a drug mixed with honey or syrup; a soft solid, sometimes used as an excipient for pill mass es. SYN: confectio, conserve, ...
Arranged closely together; coalescing. [L. confercio, pp. -fertus, to cram together, fr. farcio, to fill full, cram]
The statutorily protected right afforded to (and duty required of) specifically designated health professionals not to disclose information discerned during consultation with a ...
1. The general form of a body and its parts. 2. In chemistry, the spatial arrangement of atoms in a molecule. The c. of a compound ( e.g., a sugar) is the unique spatial ...
Lying-in; giving birth to a child. [L. confine (ntr.), a boundary, confine, fr. con- + finis, boundary]
Tension or stress experienced by an organism when satisfaction of a need, drive, motive, or wish is thwarted by the presence of other attractive or unattractive needs, drives, or ...
A flowing together; a joining of two or more streams. SYN: confluens [TA]. [L. confluens] - c. of sinuses [TA] a meeting place, at the internal occipital protuberance, of the ...
SYN: confluence, confluence. [L.] - c. sinuum [TA] SYN: confluence of sinuses.
1. Joining; running together; denoting certain skin lesions which become merged, forming a patch; denoting a disease characterized by lesions which are not discrete, or distinct ...
See c. microscope.
The spatial arrangement of a molecule achieved by rotation of groups about single covalent bonds, without breaking any covalent bonds; the latter restriction differentiates c. ...
A mold, usually of plastic material, used in surgical repair to maintain space in a cavity or to prevent closing by healing of an artificial or natural opening. [L. conformo, to ...
1. A situation in which the effects of two or more processes are not separated; the distortion of the apparent effect of an exposure on risk, brought about by the association ...
The act by the therapist, or another patient in a therapy group, of openly interpreting a patient's resistances, attitudes, feelings, or effects upon either the therapist, the ...
A mental state in which reactions to environmental stimuli are inappropriate because the person is bewildered, perplexed, or unable to orientate himself. [L. confusio, a ...
Characterized by, or pertaining to, confusion.
1. One of two or more things of the same kind, as of animal or plant with respect to classification. 2. One of two or more muscles with the same function. [L. con-, with, + ...
1. Having the same function; denoting certain muscles that are synergistic. 2. Derived from the same source, or of a similar nature. [see congener]
Relating to an inbred strain of animals produced by repeated crossing of one gene line onto another inbred (isogenic) line. [ con- + G. genos, birth, + -ic]
Present at birth. A condition that is congenital is one that is present at birth. There are numerous uses of "congenital" in medicine. There are, for example, congenital ...
Congenital achromatopsia
An hereditary disorder of vision characterized by a lack of cone vision (sight provided by the cone photoreceptors in the retina). People with achromatopsia (achromats) are ...
Congenital anemia and triphalangeal thumbs
A genetic disorder that may be detected during early infancy and is characterized by the presence of three bones (phalanges) within the thumbs (triphalangeal thumbs) rather than ...
Congenital anomaly
Something that is unusual or different at birth. A minor anomaly is defined as an unusual anatomic feature that is of no serious medical or cosmetic consequence to the patient. ...
Congenital arthrogryposis
Nonprogressive congenital contractures that develop before birth and are evident at birth (congenital). The contractures are characterized by reduced mobility of many (multiple) ...
Congenital central hypoventilation syndrome
Failure from birth of central nervous system control over breathing while asleep. There are usually no breathing problems while awake. The involuntary (autonomic) control of ...
Congenital clasped thumb with mental retardation
See: Clasped thumbs and mental retardation.
Congenital deafness
Loss of hearing present at birth. Congenital deafness contrasts to acquired deafness which occurs after birth. The distinction between congenital and acquired deafness ...
Congenital deafness and retinitis pigmentosa
(Also called Usher syndrome.) A genetic disorder characterized by hearing impairment and an eye disorder called retinitis pigmentosa in which vision worsens over time. Some ...
Congenital heart disease
A malformation of the heart or the large blood vessels near the heart. The term “congenital” speaks only to time, not to causation; it means “born with” or “present at ...
Congenital hemolytic jaundice
Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red blood cell membrane clinically characterized by anemia, jaundice (yellowing) and splenomegaly ...
Congenital hip dislocation
The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is not stable within the socket (the acetabulum). The ligaments of the ...
Congenital malformation
A physical defect present in a baby at birth, irrespective of whether the defect is caused by a genetic factor or by prenatal events that are not genetic. In a malformation, the ...
Congenital neutropenia, severe (SCN)
Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting infection). These children suffer frequent infections from bacteria ...
Congenital ptosis of the eyelids
Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and restrict or even block vision. Moderate or severe pstrosis calls for ...
Congenital rubella syndrome
The constellation of abnormalities caused by infection with the rubella (German measles) virus before birth. The syndrome is characterized by multiple congenital malformations ...
Congenital torticollis
A deformity of the neck that is evident at birth. It is due to shortening of the neck muscles. Congenital torticollis tilts the head to the side on which the neck muscles are ...
SYN: congenital. [L.]
Containing an abnormal amount of blood; in a state of congestion.
Presence of an abnormal amount of fluid in the vessels or passages of a part or organ; especially, of blood due either to increased influx or to an obstruction to outflow. SEE ...
Relating to congestion.
Formed in a single rounded mass. [L. con-globo, pp. -atus, to gather into a globus, ball]
An aggregation of numerous particles into one rounded mass.
Composed of several parts aggregated into one mass. [L. conglomero, pp. -atus, to roll together, fr. glomus, a ball]
Adhesive, promoting the union of a wound. [L. con-glutino, pp. -atus, to glue together, fr. gluten, glue]
1. SYN: adhesion (1). 2. Agglutination of antigen(erythrocyte)-antibody-complement complex by normal bovine serum (and certain other colloidal materials); the procedure ...
Bovine serum protein that, when absorbed by erythrocyte-antibody-complement complexes, causes them to agglutinate; it is comparatively thermostable and apparently dissociates ...
Congo red
An acid direct cotton dye, it is absorbed by amyloid and induces green fluorescence to amyloid in polarized light; used as a laboratory aid in the diagnosis of amyloidosis, ...
Denoting any substance that takes a Congo red stain.
Plural of conus.
conic, conical
Resembling a cone.
Plural of conidium.
Relating to a conidium.
A genus of fungi containing two species, c. coronatus and c. incongruus, both of which cause zygomycosis (entomophthoramycosis).
Denoting a cell that gives rise to a conidium, e.g., a phialide.
A specialized hypha which bears conidia in fungi. [ conidium + G. phoros, bearing] - Phialophore-type c. a type of spore formation, characteristic of the genus Phialophora, in ...
An asexual spore of fungi borne externally in various ways. [Mod. L. dim. fr. G. konis, dust]
The toxic active alkaloid of conium (hemlock); hydrobromide and hydrochloride salts have been used as an antispasmodic; principal toxin of poison hemlock (Conium maculatum).
Fibrosis produced by dust, especially of the lungs by inhaled dust. [G. konis, dust, + fibrosis]
Stasis of lymph caused by dust, presumably through the intervention of fibrosis. [G. konis, dust, + lymph + G. stasis, a standing]
A device for estimating the amount of dust in the air. [G. konis, dust, + metron, measure]
SYN: alveolar macrophage. [G. konis, dust, + phago to eat]
Any disease or morbid condition caused by dust. [G. konis, dust]
Incision of the laryngeal conus elasticus. SEE ALSO: cricothyrotomy.
The dried unripe fruit of C. maculatum (family Umbelliferae), also known as spotted cowbane or spotted parsley; it has been used as a sedative, antispasmodic, and anodyne. SYN: ...
: Surgery to remove a cone-shaped piece of tissue from the cervix and cervical canal. Conization may be used to diagnose or treat a cervical condition. Also called cone biopsy. * ...
Conjoined twin
Identical (monozygotic) twins that did not separate fully from one another but are still partially united. Due to the incomplete division of one fertilized ovum. Conjoined twins ...
A member of a mating pair of organisms or gametes undergoing conjugation. SEE ALSO: exconjugant. [L. con-jugo, to join]
Conjugate diameters of the pelvis. See conjugate. [L. fem. of conjugatus, pp. of con-jugo, to join together] - c. anatomica [TA] SYN: anatomical conjugate. - c. diagonalis [TA] ...
1. Joined or paired. SYN: conjugated. 2. C. diameters of the pelvis. The distance between any two specified points on the periphery of the pelvic canal. [L. conjugatus, joined ...
SYN: conjugate (1).
1. The union of two unicellular organisms or of the male and female gametes of multicellular forms followed by partition of the chromatin and the production of two new cells. ...
A thin clear moist membrane that coats the inner surfaces of the eyelids and the outer surface of the eye. The section of the conjunctiva that coats the inner aspect of the ...
Relating to the conjunctiva.
Conjunctival fornix
The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the inside of the eyelid with the conjunctival membrane covering the ...
Joining; connecting; connective.
SYN: conjunctivoplasty.
Inflammation of the conjuctivae, the membranes on the inner part of the eyelids and the membranes covering the whites of the eyes. These membranes react to a wide range of ...
Conjunctivitis, allergic
Inflammation of the whites of the eyes (the conjunctivae) with itching and redness of the eyes and tearing, due to allergy. Frequently accompanies hay fever.
Condition in which redundant bulbar conjunctiva billows over the eyelid margin or covers the lower punctum. [conjunctiva + G. chalasis, a loosening]
A procedure for providing lacrimal drainage when the canaliculi are closed; plastic tubes are inserted that extend from the conjunctival sac through the lacrimal sac to the nose; ...
1. A surgical procedure through the conjunctiva, which provides an opening into the lacrimal sac. 2. The opening so produced. [conjunctiva + G. dakryon, tear, + kystis, sac, + ...
Plastic surgery on the conjunctiva. SYN: conjunctiviplasty.
1. A surgical procedure to construct a passageway through the conjunctiva into the nasal cavity. 2. The opening so produced. [conjunctiva + G. ris (rhin), nose, + stoma, mouth]
Harold J., U.S. microbiologist, 1886–1975. See Hucker-C. stain. Jerome, U.S. physician, *1907. See C. syndrome.
Conn syndrome
Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue resembling that normally present in the outer portion (cortex) of the ...
Collective term for the protein components of the cytoskeleton (connective tissue); originally described in muscle, but later observed in erythrocyte and other cell membranes.
A union of elements or things; a connecting structure. SYN: conexus, connexus. - ambiguous atrioventricular connections connections in which half the atrioventricular ...
A theory of information processing within cognitive science (the study of the mind). Connectionism is based upon the known neurophysiology of the brain. In connectionism, the ...
Connective tissue
A material made up of cells that form fibers in the framework providing a support structure for other body tissues. Cartilage and bone are specialized forms of connective tissue. ...
Connective tissue disease
A disease (autoimmune or otherwise) that attacks the collagen or other components of connective tissue, such as lupus.
In dentistry, a part of a partial denture which unites its components. - major c. a plate or bar (lingual bar, palatal bar) used for the purpose of uniting partial denture ...
F. Gregory, U.S. surgeon, 1875–1968. See C. suture.
Part of a group of major proteins of gap junctions that are important in the key process of intercellular communication in most cell types. The connexins are encoded by a large ...
connexin 26
The gap junction protein, the gene for which (Cx26) when mutated, accounts for a major portion of recessive nonsyndromic hearing impairment.
connexins, connexons
Complex protein assemblies that traverse the lipid bilayer of the plasma membrane and forms a continuous channel with a pore diameter of approximately 1.5 nm; a pair of connexons ...
SYN: connection. [L.] - c. intertendinei musculi extensoris digitorum [TA] SYN: intertendinous connections of extensor digitorum, under connection.
1. A cone-shaped structure. 2. Part of the apical complex characteristic of the protozoan subphylum, Apicomplexa; seen in sporozoites, merozoites, or other developmental stages ...
Contractile protoplasm at the inner end of the inner segment of retinal cones; motility is most evident in fishes and amphibians, and slight or absent in mammals. [G. konos, ...
Conor and Bruch disease
African tick typhus, one of the tick-borne rickettsial diseases of the eastern hemisphere similar to Rocky Mountain spotted fever but less severe. Characteristic features ...
SYN: quinidine.
Andrew, Norwegian physician, 1809–1869. See C. line. Erich, 20th century German physician. See C. disease.
Denoting consanguinity. [L. cum, with, + sanguis, blood : consanguineus]
Blood relationship because of common ancestry.Everyone carries rare recessive alleles, rare genes that are generally innocuous in the heterozygous state but that in the company ...
1. Aware; having present knowledge or perception of oneself, one's acts and surroundings. 2. Denoting something occurring with the perceptive attention of the individual, as a ...
The state of being aware, or perceiving physical facts or mental concepts; a state of general wakefulness and responsiveness to environment; a functioning sensorium. [L. ...
1. With consent; by mutual agreement of all parties. 2. Pertaining to a reflex elicited by indirect stimulation of a receptor, as pupillary constriction in 1 eye when the other ...
1. Preservation from loss, injury, or decay. 2. In sensorimotor theory, the mental operation by which an individual retains the idea of an object after its removal in time or ...
Denoting treatment by gradual, limited, or well-established procedures, as opposed to radical.
SYN: confection.
Conserved sequence
A base sequence in a DNA molecule (or an amino acid sequence in a protein) that has remained essentially unchanged, and so has been conserved, throughout evolution.
A substance that promotes healing or union.
Solidification into a firm dense mass; applied especially to inflammatory induration of a normally aerated lung due to the presence of cellular exudate in the pulmonary alveoli ...
Consolidation therapy
Cancer treatment given after induction therapy to consolidate the gains obtained, further reduce the number of cancer cells and achieve a complete remission. Often just called ...
Of the same species. [L. con-, with, + specific]
The visibility of a structure of interest on a radiograph, a function of the inherent contrast of the structure and the complexity ( noise) of the surrounding image.
The quality of being unchanging [L. constantia, fr. consto, to stand still] - color c. unchanging perception of the color of an object despite changes in lighting or viewing ...
A quantity that, under stated conditions, does not vary with changes in the environment. - association c. 1. in experimental immunology, a mathematical expression of ...
In psychiatry, all the factors that determine a particular action. [L.L. constellatio, fr. cum, together, + stella, star]
To cause constipation.
Suffering from constipation.
Infrequent (and frequently incomplete) bowel movements. The opposite of diarrhea, constipation is commonly caused by irritable bowel syndrome, diverticulosis, and medications ...
1. The physical makeup of a body, including the mode of performance of its functions, the activity of its metabolic processes, the manner and degree of its reactions to stimuli, ...
1. Relating to a body's constitution. 2. General; relating to the system as a whole; not local.
1. See c. enzyme. 2. In genetics, descriptive of a gene that is controlled by constantly active promoter.
Constraint-induced movement therapy
A form of intensive physical therapy aimed at reorganizing and reprogramming the brain after a stroke, a traumatic brain injury, or spinal cord damage.
SYN: constriction (1). - c. bronchoaortica esophagea thoracic constriction of esophagus. - c. diaphragmatica esophagea diaphragmatic constriction of esophagus. - c. partis ...
1. [TA] A normally or pathologically constricted or narrowed portion of a structure. SYN: constrictio [TA]. SEE ALSO: stricture, stenosis. 2. The act or process of binding or ...
1. Anything that binds or squeezes a part. SEE ALSO: inferior c. (muscle) of pharynx, middle c. (muscle) of pharynx, superior pharyngeal c. (muscle). 2. A muscle, the action of ...
The combination of a bone graft, metal instrumentation, prosthetic devices and/or bone cement applied to a specific level of the spinal column in the setting of segmental ...
A person about whose future offspring the genetic counselor is to make predictions; not to be confused with proband. [consult (for counsel) + L. -andus, gerundive suffix] - dummy ...
An individual to whom one refers for expert advice or services. The use of consultants is common in medicine. For example, a man with puzzling pains in the joints of the hands ...
Meeting of two or more physicians or surgeons to evaluate the nature and progress of disease in a particular patient and to establish diagnosis, prognosis, and/or therapy.
1. The using up of something, especially the rate at which it is used. 2. Obsolete term for a wasting of the tissues of the body, usually tuberculous. [L. con-sumo, pp. ...
Relating to, or suffering from, consumption.
cont. rem.
Abbreviation for L. continuenter remedia, continue the medicines.
1. The touching or apposition of two bodies. 2. A person who has been exposed to a contagious disease. [L. con- tingo, pp. -tactus, to touch, seize, fr. tango, to touch] - ...
Contact dermatitis
A skin condition caused by contact between skin and some substance. Includes irritant contact dermatitis (a rash brought on purely by repeated irritation from a substance such as ...
Contact dermatitis, allergic
Also called allergic contact eczema, this is a red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such ...
Contact eczema, allergic
Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, ...
Any of a heterogeneous group of allergens that elicit manifestations of delayed hypersensitivity by direct contact with skin or mucosa.
1. SYN: contagium. 2. Transmission of infection by direct contact, droplet spread, or contaminated fomites. The term originated long before development of modern ideas of ...
Relating to contagion; communicable or transmissible by contact with the sick or their fresh secretions or excretions.
The quality of being contagious.
The agent of an infectious disease. SYN: contagion (1). [L. a touching]
The concept of regional or global eradication of communicable disease, proposed by Fred Lowe Soper (1893-1977) in 1949 for the eradication of smallpox.
An impurity; any material of an extraneous nature associated with a chemical, a pharmaceutical preparation, a physiologic principle, or an infectious agent.
To cause or result in contamination. [L. con-tamino, to mingle, corrupt]
1. The presence of an infectious agent on a body surface; also on or in clothes, bedding, toys, surgical instruments or dressings, or other inanimate articles or substances ...
1. That which is contained within something else, usually in this sense in the plural form, contents. 2. In psychology, the form of a dream as presented to consciousness. 3. ...
Contiguous sequence of DNA created by assembling overlapping sequenced fragments of a chromosome. A group of clones representing overlapping regions of the genome. A contig is a ...
Contig map
A map depicting the relative order of a linked library of small overlapping clones representing a complete chromosome segment. A contig is a chromosome map showing the ...
1. Contact without actual continuity, e.g., the contact of the bones entering into the formation of a cranial suture. Cf.:continuity. 2. Occurrence of two or more objects, ...
Adjacent or in actual contact.
Contiguous gene syndrome
A disorder clearly involving multiple gene loci that are adjacent to one another. An example of a contiguous gene syndrome is Angelman syndrome. It is due to the loss of a ...
1. The ability to retain urine and/or feces until a proper time for their discharge. 2. Moderation, temperance, or self-restraint in respect to the appetites, especially to ...
Denoting continence.
Continuous; without intermission; said especially of protracted fever without apyretic intervals, such as typhoid fever, compared with the paroxysms of fever in malaria. [L. ...
Absence of interruption, a succession of parts intimately united, e.g., the unbroken conjunction of cells and structures that make up a single bone of the skull. Cf.:contiguity. ...
Continuous passive motion machine
A machine used to help rehabilitate a limb (an arm or leg). The continuous passive motion (CPM) machine is attached to, for example, a knee that has had surgery. The CPM machine ...
1. The outline of a part; the surface configuration. 2. In dentistry, to restore the normal outlines of a broken or otherwise misshapen tooth, or to create the external shape or ...
Opposed, against. SEE ALSO: counter-. Cf.:anti-. [L.]
1. One of the double or triple angles in the shank of an instrument by means of which the cutting edge or point is brought into the axis of the handle. 2. An extension piece ...
SYN: counteropening.
A bevel located on the side opposite the customary side.
Prevention of conception or impregnation. - emergency hormonal c. SYN: morning after pill. SYN: postcoital c.. - postcoital c. SYN: emergency hormonal c..
Contraception, implantable progestin
Implantable progestin in the form of Norplant was approved by the U.S. Food and Drug Administration (FDA) for contraception in 1990 and the newer Norplant 2 was approved by the ...
1. An agent for the prevention of conception. 2. Relating to any measure or agent designed to prevent conception. [L. contra, against, + conceptive] - barrier c. a mechanical ...
Contraceptive device, intrauterine (IUD)
A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop, triangle, or T in shape made of plastic or metal. An IUD is inserted ...
Contraceptive sponge, vaginal
A contraceptive device that is donut-shaped, made of plastic, contains a spermicide (nonoxynol-9) and is inserted into the vagina to cover the cervix. A loop is provided to ease ...
Contraceptive, combined oral
Commonly called "the pill," combined oral contraceptives are the most commonly used form of reversible birth control in the United States. This form of birth control suppresses ...
Contraceptive, diaphragm
A barrier method of contraception that is available by prescription only and must be sized by a health professional to achieve a proper fit. The diaphragm has a dual mechanism ...
Contraceptive, injectable progestin
Injectable progestin (Depo-Provera) was approved by the U.S. Food and Drug Administration (FDA) for contraception in 1992. It is injected by a health professional into the ...
Contraceptive, minipill
A form of oral contraceptive taken daily, like combined oral contraceptives (the "pill"), but containing only the hormone progestin and no estrogen. The minipill works by ...
Contraceptive, pill
Commonly called "the pill," combined oral contraceptives are the most commonly used form of reversible birth control in the United States. This form of birth control suppresses ...
1. (kon-trakt′)To shorten; to become reduced in size; in the case of muscle, either to shorten or to undergo an increase in tension. 2. (kon-trakt′)To acquire by contagion ...
Having the property of contracting.
The ability or property of a substance, especially of muscle, of shortening, or becoming reduced in size, or developing increased tension. - cardiac c. a measure of cardiac pump ...
1. A shortening or increase in tension; denoting the normal function of muscle. 2. A shrinkage or reduction in size. 3. Heart beat, as in premature c..beat. [L. contractus, drawn ...
Contraction, uterine
The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1) they cause the cervix to thin and dilate (open); and (2) they aid the ...
Contractions, Braxton Hicks
Irregular contractions of the womb (the uterus) occurring towards the middle of pregnancy in the first pregnancy and, earlier and more intensely, in subsequent pregnancies. These ...
Static muscle shortening due to tonic spasm or fibrosis, to loss of muscular balance, the antagonists being paralyzed or to a loss of motion of the adjacent joint. [L. ...
Fracture of a bone, as in the skull, at a point opposite that where the blow was received. [L. contra, against, counter, + fissura, fissure]
Indicating the contrary, i.e., showing that a method of treatment that would otherwise be proper is inadvisable by special circumstances in the individual case.
A condition which makes a particular treatment or procedure inadvisable. A contraindication may be absolute or relative. An absolute contraindication is a situation which makes a ...
On the other side. The opposite of ipsilateral (the same side). For example, a stroke involving the right side of the brain may cause contralateral paralysis of the leg (that is, ...
Short for "contrast media." Contrast media are X-ray dyes used to provide contrast, for example, between blood vessels and other tissue. * * * 1. A comparison in which ...
Contrast sensitivity, visual
The ability to perceive differences between an object and its background.
Denoting the manner of a contrafissura, as in the skull, at a point opposite that at which the blow was received. SEE ALSO: c. injury of brain. [Fr. counter-blow]
1. (v.) To regulate, restrain, correct, restore to normal. 2. (n.) Ongoing operations or programs aimed at reducing a disease. 3. (n.) Members of a comparison group who differ in ...
Control (genetic)
The control of gene expression. Genetic control may be on the transcriptional or translational level. Transcriptional control works by controlling the number of RNA transcripts ...
Control (research)
In research, control subjects or control procedures permit comparison with experimental results. The first controlled clinical research was probably done in 1875 by the British ...
Control of Communicable Diseases Manual
The internationally recognized authoritative manual, in the 17th (2000) edition, published by the American Public Health Association.

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