Relating to the base and one or more sides of any part.
SYN: basement membrane. [basi- + G. lemma, rind]
Denoting a prominent or important part or structure. [L. fr. G. basilikos, royal]
A receptacle for fluids.
- emesis b., kidney b. a shallow b. of curved, kidney-shaped design, used to collect body fluids or as a container for various other liquids.
- pus b. a ...
Relating to the basion and the nasion; denoting especially the b. length, or the shortest distance between the two points.
Relating to the basilar process of the occipital bone.
The portion of the hyoglossus muscle that originates from the body of the hyoid bone.
The middle point on the anterior margin of the foramen magnum, opposite the opisthion. [G. basis, a base]
1. In a direction toward the base. 2. Pertaining to asexual conidial production in fungi, in which successive budding of the basal conidium forms in an unbranched chain with ...
Morbid fear of walking. [G. basis, a stepping, + phobos, fear]
SYN: base (1). [L. and G.]
- b. cartilaginis arytenoideae [TA] SYN: base of arytenoid cartilage.
- b. cerebri SYN: base of brain.
- b. cochleae [TA] SYN: base of cochlea.
- b. ...
Relating to the base or body of the sphenoid bone; denoting the independent center of ossification in the embryo that forms the posterior portion of the body of the sphenoid ...
Relating to the lower part of the temporal region.
A fatal heart attack triggered by extreme psychological stress. The effect is named after Charles Baskerville, a character in the Arthur Conan Doyle story "The Hound of the ...
1. A basketlike arborization of the axon of cells in the cerebellar cortex, surrounding the cell body of Purkinje cells. 2. Any basketlike device or structure. [M.E., from ...
Basle Nomina Anatomica
The name adopted in 1895 in Basel, Switzerland (French spelling, Basle) by members of the German Anatomical Society that met to compile a Latin nomenclature of anatomic terms. ...
SYN: basophilic leukocyte. [G. basis, base, + kytos, cell]
A red blood cell that manifests changes of basophilic degeneration, such as basophilic stippling, punctate basophilia, or basophilic granules.
An increase of red blood cells with basophilic degenerative changes, frequently observed in diseases characterized by prolonged hypochromic anemia.
Basal and lateral; specifically used to refer to one of the two major cytological divisions of the amygdaloid complex. See amygdaloid body.
SYN: basophilic leukopenia. [ baso- + G. penia, poverty]
1. A cell with granules that stain specifically with basic dyes. 2. SYN: basophilic. 3. A phagocytic leukocyte of the blood characterized by numerous basophilic granules ...
1. A condition in which there are more than the usual number of basophilic leukocytes in the circulating blood ( basophilic leukocytosis) or an increase in the proportion of ...
Denoting tissue components having an affinity for basic dyes. SYN: basophil (2), basophile.
- Cushing b. SYN: Cushing syndrome.
- Cushing pituitary b. SYN: Cushing disease.
That part of the cytoplasm that stains readily with basic dyes.
Frank A., U.S. physician, *1903. See B.- Kornzweig syndrome.
Edoardo, Italian surgeon, 1844–1924. See B. operation, B. herniorrhaphy.
Anthony, U.S. physician, 1874–1959. See B. sign.
The insoluble portion (60 to 70%) of tragacanth that swells to form a gel; it contains complex methoxylated acids, particularly bassoric acid.
Walter A., U.S. physician, 1873–1952. See B. sign.
A member of the mammalian order Chiroptera. [M.E. bakke]
- vampire b. a member of the genus Desmodus; an important reservoir host of rabies virus in Central and South America. ...
1. Immersion of the body or any of its parts in water or any other yielding or fluid medium, or application of such medium in any form to the body or any of its parts. 2. ...
Depth. SEE ALSO: bathy-. [G. bathos, depth]
Denoting the shift of an absorption spectrum maximum to a longer wavelength. Opposite of hypsochromic. [ batho- + G. chroma, color]
An atom or group of atoms that, by its presence in a molecule, shifts the latter's fluorescent radiation in the direction of longer wavelength, or reduces the fluorescence. ...
An abnormal and persistent fear of depths. Sufferers from bathophobia experience anxiety even though they realize they are safe from falling into or being consumed by depths. The ...
Depth. SEE ALSO: batho-. [G. bathys, deep]
Loss of deep sensibility, i.e., from muscles, ligaments, tendons, bones, and joints. [G. bathys, deep, + an- priv. + aisthesis, sensation]
A condition in which the heart occupies a lower position than normal but is fixed there, as distinguished from cardioptosia. [G. bathys, deep, + kardia, heart]
General term for all sensation from the tissues beneath the skin, i.e., muscles, ligaments, tendons, bones and joints. SEE ALSO: myesthesia. SYN: deep sensibility. [G. bathys, ...
SYN: gastroptosis. [G. bathys, deep, + gaster, stomach]
Exaggerated sensitiveness of deep structures, e.g., muscular tissue. [G. bathys, deep, + hyper, above, + aisthesis, sensation]
Impairment of sensation in the structures beneath the skin, e.g., muscle tissue. [G. bathys, deep, + hypo, under, + aisthesis, sensation]
Randas, 20th century Brazilian cardiac surgeon. See B. procedure.
A neurotoxin from the Colombian arrow poison frogs (Phyllobates spp.). It is nontoxic when ingested. If it is injected or if there are ulcers present, it will cause an ...
Oscar V., U.S. otolaryngologist, 1894–1979. See B. plexus, Carmody-B. operation.
Frederick E., British ophthalmologist, 1865–1918. See B.- Mayou disease, B. disease.
Battered child syndrome
A disease in which children are physically abused. The battered child syndrome is a form of child abuse. Not until the 19th century were children granted the same legal status as ...
A group or series of tests administered for analytic or diagnostic purposes. [M.E. batri, beaten metal, fr. O.Fr. batre, to beat]
- Halstead- Reitan b. a b. of neuropsychological ...
William H., English surgeon, 1855–1936. See B. sign.
The World War II name for what is known today as post-traumatic stress, this is a psychological disorder that develops in some individuals who have had major traumatic ...
Hans, 20th century German anatomist. See B. chromic acid leucofuchsin stain.
Walter, U.S. internist, *1898. See B. syndrome.
Gaspard, Swiss anatomist, 1560–1624. See B. gland, B. valve.
Antoine, French chemist and pharmacist, 1728–1804. See Baumé scale.
Paul Clemens von, German pathologist, 1848–1928. See B. veins, under vein, Cruveilhier-B. disease, Cruveilhier-B. murmur, Cruveilhier-B. sign, Cruveilhier-B. syndrome.
1. In anatomy, a recess containing fluid. 2. Especially, the lacrimal b..
- celomic b. 1. medial and lateral recesses at either side of the urogenital mesentery of the ...
Thomas, British mathematician, 1702–1761. See B. theorem.
A probability principle set forth by the English mathematician Thomas Bayes (1702-1761). Bayes' theorem is of value in medical decision-making and some of the biomedical ...
Antoine L.J., French physician, 1799-1858.
Nancy, U.S. psychologist, *1899. See B. Scales of Infant Development, under scale.
The disease caused by nematode parasites of the genus Baylisascaris; migrating larvae of the raccoon parasite B. procyonis can cause a severe disease of the central nervous ...
Infection by the raccoon roundworm. Baylisascaris procyonis is found commonly in raccoons. When infective eggs of this roundworm are ingested by humans, Baylisascaris larvae ...
An instrument having a blade or nib that is offset and parallel to the shaft. [Fr. bayonette, fr. Bayonne, France, where first made]
Henry C., English cardiologist, *1885. See B. formula.
A., 20th century French physician. See B. syndrome.
Antoine P.E., French dermatologist, 1807–1878. See B. disease.
Abbreviation for blood-brain barrier.
Abbreviation for bromobenzylcyanide.
Abbreviation for 2,5-bis(5-t-butylbenzoxazol-2-yl)thiophene, a liquid scintillator.
An effective immunization against tuberculosis. BCG stands for Bacille Calmette Guérin. BCG is a weakened (attenuated) version of a bacteria called Mycobacterium bovis which ...
An oncogene that inhibits apoptosis.
One of a group of protease inhibitors from the leech. [G. bdella, leech, + -in]
1. Marked by numerous small rounded projections, often arranged in a row like a string of beads. 2. Applied to a series of noncontinuous bacterial colonies along the line of ...
1. Numerous small rounded projections, often in a row like a string of beads. 2. The rounded elevation along the border of the tissue surface of the major connectors of a ...
1. The nose of pliers used in dentistry for contouring and adjusting wrought or cast metal dental appliances. 2. Sometimes used to describe a b.-shaped anatomic structure. See ...
A thin glass vessel, with a lip ( beak) for pouring, used as containers for liquids.
Lionel S., British physician, 1828–1906. See B. cell.
1. Any bar whose curvature changes under load; in dentistry, frequently used instead of “bar.” 2. A collimated emission of light or other radiation, such as an x-ray b.. ...
The flattened seed, contained in a pod, of various leguminous plants. Beans of pharmacological significance are alphabetized by specific name. [O.E. b.]
The hair that normally grows on the male face after puberty. Testosterone, the most potent of the naturally occurring androgens, causes the development of secondary sex features ...
A superficial fungal infection of the skin, affecting the bearded area of the face and neck, with swellings and marked crusting, often with itching, sometimes causing the hair to ...
A supporting point or surface.
- central b. in dentistry, application of forces between the maxillae and mandible at a single point located as near as possible to the center of ...
Expulsive effort of a parturient woman in the second stage of labor.
1. To strike; to throb or pulsate. 2. A stroke, impulse, or pulsation, as of the heart or pulse. 3. Activity of a cardiac chamber produced by catching a stimulus generated ...
Joseph H.S., French physician, 1806–1865. See B. lines, under line.
A genus of fungi (class Hyphomycetes). B. bassiana is pathogenic for insects, holds promise in the biologic control of insects, and has produced infection in humans.
Vladimir M. von, Russian neurologist, 1857–1927. See B. band, B. disease, layer of B., B. nucleus, B. sign, line of B., band of Kaes-B., B.- Mendel reflex, Mendel-B. reflex.
Claude S., U.S. surgeon, 1894–1971. See B. triad.
E.V.V., Russian physician. See Bek.
Emil G., U.S. surgeon, 1866–1932. See B. method.
Samuel W., U.S. dermatologist, 1894–1964. See B. nevus.
Peter Emil, German geneticist, *1908. See B.-type tardive muscular dystrophy, B. muscular dystrophy.
J.P. See B. ...
Becker muscular dystrophy
A chronic, progressive muscle degeneration disease. A form of muscular dystrophy that is quite similar to Duchenne muscular dystrophy, except that patients with Becker do ...
Ernst O., German chemist, 1853–1923. See B. apparatus.
John Bruce, U.S. pathologist, *1933. See B.- Wiedemann syndrome.
Pierre A., French anatomist, 1785–1825. See ranine anastomosis, B. hernia, B. triangle.
Antoine H., French physicist and Nobel laureate, 1852–1908. See b., B. rays, under ray.
The SI unit of measurement of radioactivity, equal to 1 disintegration per second; 1 Bq = 0.027 × 10−9 Ci. [AH B.]
1. In anatomy, a base or structure that supports another structure. 2. A piece of furniture used for rest, recuperation, or treatment.
- b. of breast structures against which ...
A blood-sucking bug in the Cimex family that lives hidden in bedding or furniture, coming out at night to bite their victims.
A painful, often reddened area of degenerating, ulcerated skin caused by pressure and lack of movement, and worsened by exposure to urine or other irritating substances on the ...
See entries under Cimex.
1. Pejorative colloquialism for a mental hospital or institution. 2. A place or scene of wild or riotous behavior. 3. A disturbing uproar. [corruption or contraction of St. Mary ...
Blahoslav, 20th century Czech pathologist. See B. tumor.
Alois, Austrian physician, 1816–1888. See B. aphthae, under aphtha.
Involuntary urination in bed. Called “enuresis,” from the Greek “enourin” meaning
An insect of the genus Apis; the honeybee, A. mellifica, is the source of honey and wax. [A.S. beó, bi]
Stings from bees and other large stinging insects such as yellow jackets, hornets and wasps can trigger allergic reactions varying greatly in severity. Avoidance and prompt ...
Bee sting, Africanized
All stings from bees (and other large stinging insects such as yellow jackets, hornets and wasps) can trigger allergic reactions varying greatly in severity. Avoidance and prompt ...
A thick, oily, dark brown liquid with the odor of creosote; largely used as a source of creosote. SYN: beech oil.
Taenia saginata, the most common of the big tapeworms that parasitizes people, contracted from infected raw or rare beef. Can grow to be 12-25 feet (3.6-7.5 m) long in the human ...
August, German physicist, 1825–1863. See B.- Lambert law, B. law.
Georg J., Austrian ophthalmologist, 1763–1821. See B. knife.
SYN: wax (1).
- white b. SYN: white wax.
Urinary excretion of betacyanin after ingestion of beets, found in most iron-deficient individuals and in some normal persons. SYN: betacyaninuria.
Charles E., English neurologist, 1854–1908. See B. sign.
James, Scottish physician, 1798–1869.
P. Raymond, Australian orthodontist, *1898. See B. light wire differential force technique.
1. Any response emitted by or elicited from an organism. 2. Any mental or motor act or activity. 3. Specifically, parts of a total response pattern. [M.E., fr. O. Fr. avoir, to ...
Behavior center, moral
An area of the brain in what is known as the prefrontal cortex. Children who suffer damage before 16 months of age to the prefrontal cortex in the front of the brain tend later to ...
A behavior that is performed without conscious knowledge and that does not appear to be under conscious control. This curious type of behavior occurs in a number of neurological ...
A collective term for those disciplines or branches of science, such as psychology, sociology, and anthropology, and which derive their theories, concepts, and approaches from ...
A branch of psychology that formulates, through systematic observation and experimentation, the laws and principles that underlie the behavior of humans and animals; its major ...
Hulusi, Turkish dermatologist, 1889–1948. See B. disease, B. syndrome.
Behcet's syndrome is classically characterized by a triad of features, namely, ulcers in the mouth, ulcers of the genitalia and uveitis. The ulcers of the mouth and genitalia ...
CH3(CH2)20COOH; a constituent of most fats and fish oils; large amounts are found in jamba, mustard seed, rapeseed oil s, and cerebrosides. SYN: n-docosanoic acid.
Carl J.P., German ophthalmologist, 1874–1943. See B. disease, B. syndrome.
Emil A. von, German bacteriologist and Nobel laureate, 1854–1917. See B. law.
Abbreviation for butanol-extractable iodine.
Nonvenereal endemic syphilis now found chiefly among Arab children; apparently due to Treponema pallidum. SEE ALSO: nonvenereal syphilis. [Ar. bajlah]
E.V., Russian physician. See Kashin-B. disease.
Georg von, Hungarian biophysicist in U.S. and Nobel laureate, 1899–1972. See B. audiometer, B. audiometry.
Unit expressing the relative intensity of a sound. The intensity in bels is the logarithm (to the base 10) of the ratio of the power of the sound to that of a reference sound. ...
A normal process to relieve distention from the air that accumulates in the stomach. The upper abdominal discomfort associated with excessive swallowed air may extend into the ...
Dart-shaped. [G. belemnon, a dart, + eidos, resemblance]
John, Scottish surgeon and anatomist, 1763–1820. See B. muscle.
Sir Charles, Scottish surgeon, anatomist, and physiologist, 1774–1842. See B. law, B.- Magendie law, B. ...
Paralysis of the facial nerve, the nerve that supplies the facial muscles on one side of the face. Bell's palsy is also called facial nerve paralysis. The cause of facial ...
Denoting a tooth the crown of which has a cross-sectional diameter much greater than that of the neck.
Atropa b. (family Solanaceae); a perennial herb with dark purple flowers and shining purplish-black berries; the leaves (0.3% b. alkaloids) and root (0.5% b. alkaloids) ...
An artificial alkaloid derived from atropine by warming with hydrochloric acid.
Lorenzo, Italian physician and anatomist, 1643–1704. See B. ducts, under duct, B. ligament.
: That part of the body that contains all of the structures between the chest and the pelvis. Also called the abdomen. The belly (or abdomen) is separated anatomically from the ...
The navel or umbilicus. The one-time site of attachment of the umbilical cord. The term "belly button" was coined around 1877.
* * *
Colloquialism for abdominal pain, usually colicky.
Morbid fear of needles, pins, and other sharp-pointed objects. [G. belone, needle, + phobos, fear]
Ronald, 20th century British surgeon. See B. fundoplication, B. Mark operation, B. procedure, Collis-B. fundoplication, Collis-B. procedure.
A belt used to hold an individual in their seat. Motor vehicle accidents are the leading cause of death for teenagers in the United States. Over 70% of those killed were not ...
A central nervous system stimulant formerly used as an analeptic in intoxications due to barbiturates and other central nervous system depressant drugs.
Abbreviation for L. bene, well.
An anticholinergic drug with the same actions but with approximately only one-fifth the activity of atropine; it is thought to raise the threshold of emotional reaction to ...
Henry, British physician, 1814–1873. See B. albumin, B. cylinders, under cylinder, B. myeloma, B. proteins, under protein, B. reaction.
A topical anti-inflammatory agent.
Lauretta, U.S. psychiatrist, 1897–1987. See B. gestalt test, B. Visual Motor Gestalt test.
Colloquialism for caisson sickness; decompression sickness. [fr. convulsive posture of those so afflicted]
A nerve organ or mechanism (ceptor) for the appreciation and transmission of stimuli of a beneficial character. Cf.:nociceptor. [L. bene, well, + capio, to take]
Ladislaus (László), Austrian neurologist, 1887–1945. See B. reflex.
Stanley R., U.S. chemist, 1884–1936. See B. solution, B. test for glucose, B.-Hopkins- Cole reagent.
Francis G., U.S. metabolist, 1870–1957. See B.-Roth apparatus, B.-Roth ...
The ethical principle of doing good. [L. beneficentia, fr. bene, well, + facio, to do]
Denoting the mild character of an illness or the nonmalignant character of a neoplasm. [through O.Fr., fr. L. benignus, kind]
Benign intracranial hypertension
Increased pressure within the brain in the absence of a tumor. Symptoms may include headache, nausea, vomiting, pulsating intracranial noises, singing in the ears, double vision, ...
Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of short duration, due to cat scratches, especially from kittens. There is ...
Benign prostatic hyperplasia (BPH)
A prostate problem that bothers men with age, BPH generally begins in a man's 30s, evolves slowly and only causes symptoms after 50. In BPH the normal elements of the prostate ...
Benign prostatic hypertrophy (BPH)
: Nonmalignant (noncancerous) enlargement of the prostate gland, a common occurrence in older men. It is also known as benign prostatic hyperplasia (also abbreviated as BPH). ...
Benign recurrent aseptic meningitis
Recurring meningitis without identifiable cause that leaves no residual damage to the nervous system. Benign recurrent aseptic meningitis is also called Mollaret meningitis. The ...
Edward H., Irish surgeon, 1837–1907. See B. fracture.
Norman G., British dentist, 1870–1947. See B. angle, B. movement.
H., German physician, *1893. See B. Congo red stain.
A nonsteroidal anti-inflammatory and analgesic agent, no longer clinically used.
An l-aromatic amino acid decarboxylase ( dopa decarboxylase) inhibitor resembling carbidopa in action; given in combination with levodopa as an antiparkinsonian regimen. The ...
Robert R., U.S.-Canadian anatomist, 1867–1956. See B. specific granules, under granule.
A peptide used in a screening test for exocrine pancreatic insufficiency and to monitor the adequacy of supplemental pancreatic therapy.
Native colloidal hydrated aluminum silicate; an absorbent clay found in the western U.S.; it is sometimes used in the treatment of diarrhea and skin disorders and was used as ...
Combining form denoting association with benzene.
An aldehyde produced artificially or obtained from oil of bitter almond, containing not less than 80% of b.; a flavoring agent used in orally administered medicines. SYN: benzoic ...
A mixture of alkylbenzyldimethylammonium chlorides in which the alkyls are long-chain compounds (C8 to C18); a surface-active germicide for many pathogenic nonsporulating ...
A highly toxic hydrocarbon known to cause anemia and leukemia. The anemia associated with benzene exposure is termed aplastic anemia. Benzene is used as a solvent. It comes from ...
A synthetic quaternary ammonium compound, one of the cationic class of detergents; germicidal and bacteriostatic.
A compound used mainly for dyeing textiles and paper that is a known human carcinogen (cancer-causing agent). Benzidine was one of the first chemicals for which an association of ...
1. A ring system comprised of a benzene ring fused with an imidazole ring; occurs in nature as part of the vitamin B12 molecule. 2. A class of antihelmintic, often used to ...
A salt or ester of benzoic acid. The salts are often used as pharmaceutical or food preservatives.
Containing benzoic acid or a benzoate, usually sodium benzoate.
The ethyl ester of p-aminobenzoic acid; a topical anesthetic agent. SYN: ethyl aminobenzoate.
1. Parent compound for the synthesis of a number of psychoactive compounds ( e.g., diazepam, chlordiazepoxide). 2. A class of compounds with antianxiety, hypnotic, ...
Relating to or derived from benzoin.
Occurs naturally in gum benzoin; it is used as a food preservative, locally as a fungistatic, and orally as an antiseptic. It is excreted rapidly as hippuric acid. SYN: ...
A balsamic resin obtained from Styrax b. (family Styracaceae), used as a stimulant expectorant, but usually by inhalation in laryngitis and bronchitis; it retards ...
The parent compound of a series of analgesics including pentazocine and phenazocine; it does not possess analgesic properties itself.
An antitussive agent related chemically to tetracaine; thought to act by depressing mechanoreceptors in the lungs.
A red acid dye, formerly used as a stain and as an indicator (changes from violet to red in the pH range 1.2 to 4.0).
A class of diuretics that increase the excretion of sodium and chloride and an accompanying volume of water, independent of alterations in acid-base balance; most of the compounds ...
The benzoic acid radical, C6H5CO—, forming b. compounds.
- b. chloride a colorless liquid of pungent odor; a reagent for acylation reactions.
- b. hydrate SYN: benzoic ...
A metabolite of cocaine produced by hydrolysis; it can be found in the urine. SYN: ecgonine benzoate.
An environmental carcinogen found in jet fuel exhaust, cigarette smoke, and charcoal broiled meats; a powerful enzyme inducer.
A cholinergic drug with action and uses similar to those of neostigmine. SYN: benzstigminum bromidum.
A benzoquinoline amide used as an antiemetic agent.
The hydrocarbon radical, C6H5CH2—.
- b. alcohol C6H5CH2OH; possesses local anesthetic and bacteriostatic properties. SYN: phenmethylol, phenylcarbinol.
- b. benzoate an ...
Relating to or containing benzyl.
A group of alkaloids found primarily in poppy plants (Papaveraceae). Curare alkaloids are bisbenzylisoquinolines.
Amino-protecting radical used (as the chloride) in peptide synthesis, yielding PhCH2OCO—NHR. SYN: carbobenzoxy-.
A drug used against Ancylostoma duodenale and Necator americanus (hookworms of man); now largely replaced by mebendazole.
Abbreviation for basic electrical rhythm.
Waldemar, Argentinian physician, 1903–1956. See B. syndrome.
Auguste, French surgeon, 1802–1846. See B. aneurysm.
Bruno J., French surgeon, 1825–1865. See B. valve.
An alkaloid from Hydrastis canadensis (family Berberidaceae); has been used as an antimalarial, antipyretic, and carminative, and externally for indolent ulcers.
An acute state of intense psychological sadness and suffering experienced after the tragic loss of a loved one or some priceless possession. [M.E., bireven, to deprive, + -ment]
Jean, 20th century French nephrologist. See B. disease, B. focal glomerulonephritis.
Hans, German neurologist, 1873–1941. See B. rhythm.
Emil, Austrian ophthalmologist, ...
Harry, U.S. urologist, 1912–1998. See B. sign.
Gottlieb H., German neurologist and anatomist, 1781–1861. See B. cords, under cord, B. fibers, under fiber.
O., Austrian ophthalmologist, 1845–1918. See B. papilla.
beriberi, beri beri
A specific nutritional deficiency syndrome occurring in endemic form in eastern and southern Asia, sporadically in other parts of the world without reference to climate, and ...
An artificial transuranium radioactive element; atomic no. 97, atomic wt. 247.07. [Berkeley, CA, city where first prepared]
Rudolf, German ophthalmologist, 1833–1897. See B. edema.
Ferric ferrocyanide; a dye used for injection studies of blood vessel s and lymphatics, and in staining of siderocytes. SYN: Prussian blue.