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Слова на букву chem-culi (2629)

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Cricetinae
A subfamily of rodents (family Muridae) that includes hamsters and native American rats.
Cricetulus
One of four genera of hamsters; C. griseus, the striped hamster native to Europe and Asia, is a reservoir for visceral leishmaniasis.
Cricetus
One of four genera of hamsters; C. c. is used extensively as a research animal.
Crick
1 A painful sudden spasmodic stiffness in the muscles of the neck or back. 2 Francis Crick who, with James Watson, devised the Watson-Crick model of DNA as a double helix. * * ...
cricoarytenoid
Relating to the cricoid and arytenoid cartilages.
cricoarytenoideus
See lateral cricoarytenoid (muscle), posterior cricoarytenoid (muscle).
cricoid
Ring-shaped; denoting the c. cartilage. [L. cricoideus, fr. G. krikos, a ring, + eidos, form]
cricoidynia
Pain in the cricoid. [ cricoid + G. odyne, pain]
cricopharyngeal
Relating to the cricoid cartilage and the pharynx; a part of the inferior constrictor muscle of the pharynx. See inferior constrictor (muscle) of pharynx.
cricothyroid
Relating to the cricoid and thyroid cartilages.
cricothyroideus
See cricothyroid muscle.
cricothyroidotomy
SYN: cricothyrotomy.
cricothyrotomy
Incision through the skin and cricothyroid membrane for relief of respiratory obstruction; used prior to or in place of tracheotomy in certain emergency respiratory ...
cricotomy
Division of the cricoid cartilage, as in cricoid split, to enlarge the subglottic airway. [ cricoid + G. tome, incision]
Crigler
John F., U.S. physician, *1919. See C.- Najjar disease, C.- Najjar syndrome.
Crile
George W., U.S. surgeon, 1864–1943. See C. clamp.
Crimean-Congo hemorrhagic fever
A viral disease characterized by hemorrhage (bleeding) and fever. Crimean-Congo hemorrhagic fever (CCHF) is a severe disease with a high mortality (death) rate. The geographical ...
criminology
The branch of science concerned with the physical and mental characteristics and behavior of criminals. [L. crimen, crime, + G. logos, study]
crinin
Old term for a substance that will stimulate the production of secretions by specific glands. [G. krino, to secrete, + -in]
crinogenic
Causing secretion; stimulating a gland to increased function. [G. krino, to separate, + -gen, to produce]
crinophagy
Disposal of excess secretory granules by lysosomes.
Crippled
This is a medically outmoded and politically incorrect term today. However, in the not-so-distant past there were U.S. federal funds appropriated for "crippled children." (This ...
crisis
1. A sudden change, usually for the better, in the course of an acute disease, in contrast to the gradual improvement by lysis. 2. A paroxysmal pain in an organ or circumscribed ...
crispation
1. A “creepy” sensation due to slight, fibrillary muscular contractions. 2. Retraction of a divided artery or of muscular fibers or other tissues when cut across. [L. ...
crista
SYN: crest. [L. crest] - c. ampullaris [TA] SYN: ampullary crest. - c. ampullaris (ductuum semicircularium) [TA] SYN: ampullary crest (of semicircular ducts). - c. arcuata ...
criterion
1. A standard or rule for judging; usually plural (criteria) denoting a set of standards or rules. 2. In psychology, a standard such as school grades against which test scores on ...
Crithidia
A genus of asexual, monogenetic, insect-parasitizing flagellates in the family Trypanosomatidae. [Mod. L., fr. G. krithidion, dim. of krithe, barley]
crithidia
Former term for epimastigote. [Mod. L. fr. G. krithidion, dim. of krithe, barley]
critical
1. Denoting or of the nature of a crisis. 2. Denoting a morbid condition in which death is possible. 3. In sufficient quantity as to constitute a turning point.
CRL
Abbreviation for crown-rump length.
CRM
Abbreviation for cross-reacting material. Abbreviation for certified reference material.
cRNA
Abbreviation for complementary ribonucleic acid.
CRO
Abbreviation for cathode ray oscilloscope.
Crocq
Jean, Belgian physician, 1868–1925. See C. disease.
crocus
The dried stigmas of C. sativus (C. of ficinalis) (family Iridaceae), formerly used occasionally in flatulent dyspepsia; also formerly used as an antispasmodic in asthma and ...
Crohn
Burrill B., U.S. gastroenterologist, 1884–1983. See C. disease.
Crohn colitis
Crohn disease involving only the large intestine (colon). Crohn disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can ...
Crohn enteris
Crohn's disease (regional enteritis) involving only the small intestine. Crohn's disease is a chronic inflammatory disorder, primarily involving the small and large intestine, ...
Crohn enterocolitis
Crohn disease involving both the small and large intestines. Crohn disease is a chronic inflammatory disorder, primarily involving the small and large intestine, but which can ...
Crohn ileitis
Inflammation of the ileum (the farthest segment of the small intestine) due to Crohn disease. Crohn disease is a chronic inflammatory disorder, primarily involving the small and ...
Crohn ileocolitis
Crohn disease involving the ileum (the lowest portion of the small intestine) and the colon (the large intestine). Crohn disease is a chronic inflammatory disorder, primarily ...
cromolyn sodium
Used for the prevention of asthmatic attack. Stabilizes mast cell membranes to prevent the release of leukotrienes and other bronchospasm-inducing substances. SYN: sodium ...
Cronkhite
Leonard W., Jr., U.S. physician, *1919. See C.-Canada syndrome.
Crooke
Arthur, English pathologist, *1905. See C. granules, under granule, C. hyaline change, C. hyaline degeneration.
Crookes
Sir William, British physicist and chemist, 1832–1919; winner of the Nobel Prize in chemistry in 1907. See C. glass, C.-Hittorf tube.
Crosby
William Holmes, Jr., U.S. physician, *1914. See C. capsule.
cross
1. Any figure in the shape of a c. formed by two intersecting lines. SYN: crux. 2. SYN: crux of heart. 3. A method of hybridization or the hybrid so produced. [F. croix, L. ...
Cross training
Doing two or more aerobic activities such as jogging, bicycling, and swimming on a regular basis.
cross-dressing
Clothing oneself in the clothes of the opposite sex. See transvestism.
cross-eye
Alternative spelling for crossed eyes, under eye.
cross-link
A covalent linkage between two polymers or between two different regions of the same polymer.
cross-matching
1. A test for incompatibility between donor and recipient blood, carried out prior to transfusion to avoid potentially lethal hemolytic reactions between the donor's red blood ...
Cross-section
In anatomy, a cross-section is a transverse cut through a structure or tissue. The opposite of a cross-section is a longitudinal section. By analogy, a study may be ...
cross-sectional
See synchronic.
Cross-sectional study
A study done at one time, not over the course of time. A cross-sectional study might be of a disease such as AIDS at one point in time to learn its prevalence and distribution ...
Cross-species transplantation
Transplantation from one species to a foreign one. Known medically as xenotransplanation. The rationale for this type of transplantation has been the short supply of human organs. ...
cross-taper
A practice in pharmacotherapy of lowering the dose of one medication while simultaneously increasing the dose of another medication.
crossbite
An abnormal relation of one or more teeth of one arch to the opposing tooth or teeth of the other arch due to labial, buccal, or lingual deviation of tooth position, or to ...
crossbreed
1. SYN: hybrid. 2. To breed a hybrid.
crossbreeding
SYN: hybridization.
Crossed embolism
Passage of a clot (thrombus) from a vein to an artery. When clots in veins break off (embolize) , they travel first to the right side of the heart and, normally, then to the lungs ...
Crossing over
The exchange of genetic material between two paired chromosomes. Crossing over is a way to recombine the genetic material so that each person (except for identical twins) is ...
crossing-over, crossover
Reciprocal exchange of material between two paired chromosomes during meiosis, resulting in the transfer of a block of genes from each chromosome to its homologue. In contrast to ...
crossover
Refers to the phenomenon of sound presented to one ear may be perceived in the other ear by passing around the head by air conduction or through the head by bone conduction.
Crossover study
A type of clinical trial in which the study subjects receive each treatment in a random order. With this type of study, every patient serves as his or her own control.
crossway
The crossing of two nerve paths. - sensory c. the postlenticular portion of the posterior limb of the internal capsule of the brain.
Crosti
A., 20th century Italian dermatologist. See Gianotti-C. syndrome.
crotalid
Any member of the snake family Crotalidae.
Crotalidae
A family of New World vipers characterized by the presence of a heat-sensitive loreal pit between each eye and nostril, and folding, caniculated, long anterior fangs.
crotalin
A protein in rattlesnake venom. [Crotalus, a genus of rattlesnakes]
crotalism
SYN: crotalaria poisoning.
Crotalus
A genus of rattlesnakes (family Crotalidae) native to North America, having large fangs that are replaced periodically throughout life and a venom that is both neurotoxic and ...
crotamiton
A sarcopticide for topical use in scabies.
crotaphion
The tip of the greater wing of the sphenoid bone; a point in craniometry. [G. krotaphos, the temple of the head]
Crotch
A nonmedical term in common usage for the region where the legs come together, the place where the lower limbs divide. The word "crotch" is thought to be related to the word " ...
croton oil
A fixed oil expressed from the seeds of Croton tiglium (family Euphorbiaceae), an East Indian shrub; used as an irritant purgative, and externally as a counterirritant and ...
crotonase
SYN: enoyl-CoA hydratase.
crotonyl-ACP reductase
SYN: enoyl-ACP reductase.
crotoxin
The toxin from the venom of the North American rattlesnake. [Crotalus + toxin]
crottle
SYN: cudbear.
Croup
A respiratory problem that occurs mainly in children, particularly from 2 to 4 years of age, due to an infection of the respiratory tree — the larynx (voice box), the trachea ...
croupous
Relating to croup; marked by a fibrinous exudation.
croupy
Having the characteristics of croup, as a c. cough.
Crouzon
Octave, French physician, 1874–1938. See C. disease, C. syndrome.
Crow
R.S., British physician. See C.-Fukase syndrome.
crowding
A condition in which the teeth are crowded, assuming altered positions such as bunching, overlapping, displacement in various directions, torsiversion, etc.
Crowe
Samuel J., U.S. physician, 1883–1955. See C.- Davis mouth gag.
Crown
In dentistry, the portion of the tooth that is covered by enamel. Also a type of restoration that covers all or most of the natural tooth. * * * 1. Any structure, normal or ...
crowning
1. Preparation of the natural crown of a tooth and covering the prepared crown with a veneer of suitable dental material (gold or non-precious metal casting, porcelain, ...
CRP
Abbreviation for cAMP receptor protein; C-reactive protein.
CRP (C-reactive protein)
A plasma protein that rises in the blood with the inflammation from certain conditions. C-reactive protein is one of the plasma proteins known as acute- phase proteins: proteins ...
CRT
Abbreviation for cathode ray tube.
cruces
Plural of crux.
Cruciate
Cross-shaped. "Cruciate" comes from the Latin " crux" which means "cross". (That is the crux of this matter). The cruciate ligaments are so-named because they cross each other. ...
Cruciate ligament, anterior
The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint (collateral ligaments) as well as crossing within the joint (cruciate ...
Cruciate ligament, posterior
The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint (collateral ligaments) as well as crossing within the joint (cruciate ...
crucible
A vessel used as a container for reactions or meltings at high temperature. [Mediev. L. crucibulum, a night lamp, later, a melting pot]
crufomate
A veterinary anthelmintic.
crunch
Sound heard on auscultation of the chest synchronous with cardiac contraction, indicating presence of air in the mediastinum. [onomatopoetic]
cruor
Coagulated blood. [L. blood (that flows from a wound)]
crura
Plural of crus.
crural
Relating to the leg or thigh, or to any crus.
crureus
SYN: vastus intermedius (muscle). [Mod. L.]
crus
1. SYN: leg. 2. Any anatomical structure resembling a leg; usually (in the plural) a pair of diverging bands or elongated masses. SEE ALSO: limb. [L.] - ampullary crura of ...
crus I
SYN: superior semilunar lobule.
crus II
SYN: inferior semilunar lobule.
crush
1. To squeeze injuriously between two hard bodies. 2. A bruise or contusion from pressure between two solid bodies. [O.Fr. cruisir]
crusotomy
A mesencephalic pyramidal tractotomy. [L. crus, leg, + G. tome, incision]
crust
1. A hard outer layer or covering; cutaneous crusts are often formed by dried serum or pus on the surface of a ruptured blister or pustule. 2. A scab. SYN: crusta. [L. ...
crusta
SYN: crust. [L.] - c. inflammatoria SYN: buffy coat. - c. lactea seborrhea of the scalp in an infant. SYN: milk crust. - c. phlogistica SYN: buffy coat.
Crustacea
A very large class of aquatic animals (phylum Arthropoda) with a chitinous exoskeleton and jointed appendages; e.g., the crab, lobster, crayfish, shrimp, isopods, ostracods, ...
Crutch
: A wooden or metal vertical prop that helps support a disabled person while he or she is walking. Crutches extend from the walking surface to either the armpit or the arm. A ...
Cruveilhier
Jean, French pathologist and anatomist, 1791–1874. See C. fascia, C. fossa, fossa navicularis C., C. joint, C. ligaments, under ligament, C. plexus, C.- Baumgarten disease, C.- ...
crux
A junction or crossing. SYN: cross (1). [L.] - c. of heart the zone of junction of the septa and walls of the four chambers of the heart. SYN: cross (2). - cruces pilorum [TA] ...
Cruz
Oswaldo, Brazilian physician, 1872–1917. See Chagas-C. disease, C. trypanosomiasis.
cry for help
Telephone calls, notes left in conspicuous places, and other behaviors that communicate extreme distress and possible consideration of suicide.
cry-
See cryo-.
cryalgesia
Pain caused by cold. [G. kryos, cold, + algos, pain]
cryanesthesia
Inability to perceive cold. [G. kryos, cold, + an- priv. + aisthesis, sensation]
cryesthesia
1. A subjective sensation of cold. 2. Sensitiveness to cold. [G. kryos, cold, + aisthesis, sensation]
crymo-
Cold. SEE ALSO: cryo-, psychro-. [G. krymos, cold]
crymophilic
Preferring cold; denoting microorganisms which thrive best at low temperatures. SYN: cryophilic. [ crymo- + G. philos, fond]
crymophylactic
Resistant to cold, said of certain microorganisms that are not destroyed even by freezing temperatures. SYN: cryophylactic. [ crymo- + G. phylaxis, a guarding against]
cryo-, cry-
Cold. SEE ALSO: crymo-, psychro-. [G. kryos, cold]
cryoanesthesia
Localized application of cold as a means of producing regional anesthesia. SYN: refrigeration anesthesia.
cryobiology
The study of the effects of low temperatures on living organisms.
cryocautery
Any substance, such as liquid nitrogen or carbon dioxide snow, or a low temperature instrument, the application of which causes destruction of tissue by freezing. SYN: cold ...
cryoconization
Freezing of a cone of endocervical tissue in vivo with a cryoprobe.
cryoextraction
Removal of cataracts by the adhesion of a freezing probe to the lens; now rarely done.
cryoextractor
An instrument, artificially cooled, for extraction of the lens by freezing contact.
cryofibrinogen
An abnormal type of fibrinogen very rarely found in human plasma; it is precipitated upon cooling, but redissolves when warmed to room temperature.
cryofibrinogenemia
The presence in the blood of cryofibrinogens.
cryofluorane
Used as a refrigerant and aerosol propellant; may be irritating to the respiratory tract and mildly narcotic.
cryofracture
SYN: freeze fracture. [cryo- + fracture]
cryogen
A freezing substance used to produce very low temperatures.
cryogenic
1. Denoting or characteristic of a cryogen. 2. Relating to cryogenics.
cryogenics
The science concerned with the production and effects of very low temperatures, particularly temperatures in the range of liquid helium (<4.25 K). [cryo- + G. -gen, producing]
Cryoglobulin
An abnormal blood protein that has the unusual properties of precipitating from the blood serum when it is chilled (hence the "cryo-") and redissolving when it is rewarmed. ...
Cryoglobulinemia
The presence in blood of abnormal proteins called cryoglobulins that, by definition, have the unusual properties of precipitating from the blood serum when it is chilled and ...
cryoglobulins
1. Abnormal plasma proteins (paraproteins), now grouped with gamma globulins, characterized by precipitating, gelling, or crystallizing when serum or solutions of them are ...
cryohydrate
A eutectic system of a salt and water.
cryohypophysectomy
Destruction of hypophysis by the application of extreme cold. [cryo- + hypophysis + G. ektome, excision]
cryolysis
Destruction by cold. [cryo- + G. lysis, dissolution]
cryometer
A device for measuring very low temperatures. [cryo- + G. metron, measure]
cryopallidectomy
Destruction of the globus pallidus by the application of extreme cold. [cryo- + globus pallidus + G. ektome, excision]
cryopathy
A morbid condition in which exposure to cold is an important factor. SYN: frigorism. [cryo- + G. pathos, suffering]
cryopexy
In retinal detachment surgery, sealing the sensory retina to the pigment epithelium and choroid by a freezing probe applied to the sclera. [cryo- + G. pexis, a fixing in ...
cryophilic
SYN: crymophilic. [cryo- + G. philos, fond]
Cryophobia
An abnormal and persistent fear of cold, including cold weather and cold objects. Sufferers from cryophobia experience anxiety even though they realize their fear is irrational. ...
cryophylactic
SYN: crymophylactic.
cryoprecipitate
Precipitate that forms when soluble material is cooled, especially with reference to the precipitate that forms in normal blood plasma which has been subjected to cold ...
cryoprecipitation
The process of forming a cryoprecipitate from solution.
Cryopreservation
The process of cooling and storing cells, tissues, or organs at very low temperatures to maintain viability. For example, the technology of cooling and storing cells at a ...
cryoprobe
An instrument used in cryosurgery to apply extreme cold to a selected area. [cryo- + L. probo, to test]
cryoprostatectomy
Destruction of the prostate gland by freezing, utilizing a specially designed cryoprobe. [cryo- + L. prostata, prostate, + G. ektome, excision]
Cryoprotectant
A chemical component of a freezing solution used in cryopreservation (the process of cooling and storing cells, tissues, or organs at very low temperatures to maintain ...
cryoprotein
A protein that precipitates from solution when cooled and redissolves upon warming.
cryopulvinectomy
Destruction of the pulvinar by the application of extreme cold. [cryo- + pulvinar + G. ektome, excision]
cryoscope
An instrument for measuring the freezing point.
cryoscopy
The determination of the freezing point of a fluid, usually blood or urine, compared with that of distilled water. SYN: algoscopy. [cryo- + G. skopeo, to examine]
cryospasm
Spasm produced by cold. [cryo- + G. spasmos, convulsion]
Cryostat
A chamber that can maintain very low temperatures. Medical laboratories use a cryostat to preserve frozen tissue samples while a microtome, an extremely sharp cutting instrument ...
Cryosurgery
: Treatment performed with an instrument that freezes and destroys abnormal tissue. * * * An operation using freezing temperature (achieved by liquid nitrogen or carbon dioxide) ...
cryothalamectomy
Destruction of the thalamus by the application of extreme cold. [cryo- + thalamus + G. ektome, excision]
cryotherapy
The use of cold in the treatment of disease.
cryotolerant
Tolerant of very low temperatures.
Crypt
In anatomy, a crypt is variously a blind alley, a tube with no exit, a depression, or a pit — in an otherwise fairly flat surface. Cryptic in the case of the tonsils refer to ...
crypt-
See crypto-.
crypta
SYN: crypt. [L. fr. G. kryptos, hidden] - c. tonsillaris, pl.cryptae tonsillares [TA] SYN: tonsillar crypt.
cryptectomy
Excision of a tonsillar or other crypt. [crypt + G. ektome, excision]
cryptenamine acetates, cryptenamine tannates
Acetate or tannate salts of alkaloids from a nonaqueous extract of Veratrum viride, containing the hypotensive alkaloids protoveratrines A and B, germitrine, neogermetrine, ...
cryptic
Hidden; occult; larvate. [G. kryptikos]
Cryptitis
A term that is used to describe one of the abnormalities that is seen under the microscope when small intestinal or colonic tissue is examined. The intestinal crypts are tubular ...
crypto-, crypt-
Hidden, obscure; without apparent cause. [G. kryptos, hidden, concealed]
cryptochrome
Flavoprotein ultraviolet-A receptor involved in circadian rhythm entrainment in plants, insects, and mammals.
cryptococcoma
An infectious granuloma, typically in the brain, but also found in the lung and elsewhere, caused by Cryptococcus neoformans. [Cryptococcus (genus name) + -oma]
cryptococcosis
An acute, subacute, or chronic infection by Cryptococcus neoformans, causing a pulmonary, disseminated, or meningeal mycosis. The pulmonary form may resolve spontaneously in ...
Cryptococcus
A genus of yeastlike fungi that reproduce by budding. [crypto- + G. kokkos, berry] - C. neoformans a species that causes cryptococcosis in humans and other mammals, particularly ...
cryptocrystalline
Having very minute crystals.
Cryptocystis trichodectis
Name formerly applied to the larval form of the dog tapeworm, Dipylidium caninum, named for the cysticercoids found in the dog louse, Trichodectes. [crypto- + G. kystis, ...
cryptodidymus
Conjoined twins, with the poorly developed parasitic twin concealed within the larger autosite. See conjoined twins, under twin. [crypto- + G. didymos, twin]
Cryptogamia
A montaxonomic division of the plant kingdom containing all forms of plant life that do not reproduce by means of seeds; included are the algae, bacteria, fungi, lichens, ...
cryptogenic
Of obscure, indeterminate etiology or origin, in contrast to phanerogenic. [crypto- + G. genesis, origin]
Cryptography
The encoding and decoding of secret messages. Cryptography in genetics: The term "cryptography" can be applied to human DNA since the message of life is encoded in DNA. And for ...
cryptolith
A concretion in a gland follicle. [crypto- + G. lithos, stone]
cryptomenorrhea
Occurrence each month of the general symptoms of the menses without any flow of blood, as in cases of imperforate hymen. [crypto- + G. men, month, + rhoia, flow]
cryptophthalmus, cryptophthalmia
Congenital absence of eyelids, with the skin passing continuously from the forehead onto the cheek over a rudimentary eye. [crypto- + G. ophthalmos, eye]
cryptopodia
A swelling of the lower part of the leg and the foot, in such a manner that there is great distortion and the sole seems to be a flattened pad. [crypto- + G. pous, foot]
cryptopyrrole
3-Ethyl-2,4-dimethylpyrrole; one of the pyrrole derivatives obtained by the drastic reduction of heme.
cryptorchid
Relating to or characterized by cryptorchism. [crypto- + G. orchis, testis]
Cryptorchidism
: A condition in which one or both testicles fail to move from the abdomen, where they develop before birth, into the scrotum; also called undescended testicles. Boys who have ...
cryptorchism
Failure of one or both of the testes to descend. SYN: cryptorchidism.
cryptoscope
Obsolete term for a simple x-ray fluoroscope. [G. kryptos, something hidden, + skopeo, to examine]
cryptosporidiosis
An enteric disease caused by waterborne protozoan parasites of the genus Cryptosporidium; characterized pathologically by villous atrophy and fusion and clinically by diarrhea ...
Cryptosporidium
A genus of coccidian sporozoans (family Cryptosporiidae, suborder Eimeriina) that are important pathogens of calves and other domestic animals, and common opportunistic ...
Cryptostroma corticale
A species of fungus that is a common allergen, growing profusely under the bark of stacked maple logs; handlers who inhale the massive number of spores may develop pneumonitic ...
cryptotia
A rare abnormality in which the superior portion of the auricle is hidden under the scalp. [crypto- + G. otos, ear]
cryptoxanthin
(3R)-β,β-Caroten-3-ol; β-caroten-3-ol; carotenoid (specifically, a xanthophyll) yielding 1 mol of vitamin A per mole. Found in many fruits and berries.
cryptozoite
The exoerythrocyte stage of the malarial organism that develops directly from the sporozoite inoculated by the infected mosquito; development of the first generation of ...
cryptozygous
Having a narrow face compared with the width of the cranium, so that, when the skull is viewed from above, the zygomatic arches are not visible. [crypto- + G. zygon, yoke]
crystal
A solid of regular shape and, for a given compound, characteristic angles, formed when an element or compound solidifies slowly enough, as a result either of freezing from the ...
crystal violet
A compound that has been used in the external treatment of burns, wounds, and fungal infections of skin and mucous membranes, and internally for pinworm and certain fluke ...
crystallin
One of several water-soluble proteins found in the lens of the eye; alpha (an embryonic single protein), beta, and gamma varieties (based on precipitibility) are known. Reptiles ...
crystalline
1. Clear; transparent. 2. Relating to a crystal or crystals.
crystallization
Assumption of a crystalline form when a vapor or liquid becomes solidified, or a solute precipitates from solution.
crystallogram
A photograph produced when x-rays are diffracted by a crystal. [G. krystallos, crystal, + gramma, something written]
crystallography
The study of the shape and atomic structure of crystals.
crystalloid
1. Resembling a crystal, or being such. 2. A body that in solution can pass through a semipermeable membrane, as distinguished from a colloid, which cannot do so. - Charcot- ...
crystallophobia
SYN: hyalophobia. [G. krystallon, crystal, + phobos, fear]
crystalluria
The excretion of crystalline materials in the urine.
Cs
Symbol for cesium.
CSD
Abbreviation for catscratch disease.
CSF
Abbreviation for cerebrospinal fluid; colony-stimulating factors, under factor.
CSF (cerebrospinal fluid)
A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the brain and around the surface of the brain and spinal cord. The CSF is ...
CSF (colony-stimulating factor)
A laboratory-made agent similar to a substance in the body that stimulates the production of blood cells. The colony-stimulating factors (CSFs) include granulocyte ...
CSI
Abbreviation for Calculus Surface Index.
CT
Abbreviation for computed tomography. - dynamic C. SYN: dynamic computed tomography. - helical C. SYN: spiral computed tomography. - spiral C. SYN: spiral computed tomography.
CT, electron beam
Also known as Ultrafast CT (computerized tomography), this is a new (and controversial) noninvasive test for the detection of coronary artery disease (CAD). It is designed to ...
CT, Ultrafast
Electron beam computerized tomography (EBCT), a new (and controversial) noninvasive test for the detection of coronary artery disease (CAD). Ultrafast computerized tomography ...
CTD
Abbreviation for cumulative trauma disorders, under disorder.
Ctenocephalides
A genus of fleas. C. canis (dog flea) and C. felis (cat flea) are nearly universal ectoparasites of household pets; will attack humans when starving owing to absence of pets. ...
CTL
Abbreviation for cytotoxic T lymphocytes.
CTP
Abbreviation for cytidine 5′-triphosphate.
Cu
Symbol for copper.
cubeb
The dried unripe, nearly full-grown fruit of Piper cubeba (family Piperaceae), a climbing plant of the West Indies, used as stimulant, carminative, and local irritant; c. oil ...
cubital
Relating to the elbow or to the ulna.
cubitus
1. SYN: elbow (2). 2. SYN: ulna. [L. elbow] - c. valgus deviation of the extended forearm to the outer (radial) side of the axis of the limb. - c. varus deviation of the ...
Cuboid bone
The cuboid bone is the outer bone in the instep of the foot. It is called the cuboid bone because it is shaped like a cube. The cuboid bone articulates posteriorly (it has a ...
cuboid, cuboidal
1. Resembling a cube in shape. 2. Relating to the os cuboideum. [G. kybos, cube, + eidos, resemblance]
cudbear
Purple-red coloring agent derived from the lichen Ochrolechia tartarea (family Lecanoraceae) and for the coloring principles from Roccellaceae used for coloring liquid ...
cue
In conditioning and learning theory, a pattern of stimuli to which an individual has learned or is learning to respond. - response-produced cues successive stimulus cues in a ...
cuff
Any structure shaped like a c.. - musculotendinous c. SYN: rotator c. of shoulder. - perivascular cuffs cuffing. - rotator c. of shoulder the anterior, superior, and ...
cuffing
1. A perivascular accumulation of various leukocytes seen in infectious, inflammatory, or autoimmune diseases. 2. To surround a structure with fluid or cells, as with a cuff; ...
cuirass
The anterior surface of the thorax in relation to symptoms or disease changes. [Fr. cuirasse, a breastplate] - analgesic c. SYN: tabetic c.. - tabetic c. an analgesic or ...
Cul-de-sac
A viewer writes regarding the term "cul-de-sac": "I know we live on one. Is there a medical meaning for it?" The answer is of course: "Yes" (or you'd not be reading this here). An ...
Culdocentesis
The puncture and aspiration (withdrawal) of fluid from the cul-de-sac, the rectouterine pouch (the pouch of Douglas), an extension of the peritoneal cavity between the rectum ...
culdoplasty
Plastic surgery to remedy relaxation of the posterior fornix of the vagina. [ cul-de-sac + G. plastos, formed]
Culdoscope
The viewing tube (endoscope) introduced through the end of the vagina into the cul-de-sac. The cul-de-sac is also called the rectouterine pouch (the pouch of Douglas), an ...
Culdoscopy
The introduction of a viewing tube (called an endoscope or culdoscope) through the end of the vagina into the cul-de-sac. The cul-de-sac is also called the rectouterine pouch ...
culdotomy
1. Cutting through the posterior vaginal wall into the cul-de-sac of Douglas. 2. SYN: vaginal celiotomy. [ cul-de-sac + G. tome, incision]
Culex
A genus of mosquitoes (family Culicidae) including over 2000 species. Largely tropical but worldwide in distribution; they are vectors for a number of diseases of humans and of ...
Culicidae
A family of insects (order Diptera) that includes the true mosquitoes, which are all included in the subfamily Culicinae.
culicidal
Destructive to mosquitoes. [L. culex, gnat, + caedo, to kill]
culicide
An agent that destroys mosquitoes.

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