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 mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK
Words: 116197


buccinator crest
A ridge passing from the base of the coronoid process of the mandible to the region of the last molar tooth; it gives attachment to the mandibular part of the buccinator muscle. ... Synonym: crista buccinatoria. ... (05 Mar 2000) ...

buccinator nerve
Synonym for buccal nerve ... <anatomy, nerve> A sensory branch of the mandibular division of the trigeminal nerve; it passes downward emerging from beneath the ramus of the mandible to run forward on the buccinator muscle, piercing (but not supplying) it to supply the buccal mucous membrane and skin of the cheek near the angle of the mouth. …

buccinum
<marine biology> A genus of large univalve mollusks abundant in the arctic seas. It includes the common whelk (B. Undatum). ... Origin: L, a trumpet, a trumpet shell. ... (19 Mar 1998) ...

bucco-
Cheek. ... Origin: L. Bucca ... (05 Mar 2000) ...

bucco-occlusal angle
The line of junction of the buccal and occlusal surfaces of a tooth. ... (05 Mar 2000) ...

buccoaxial
Referring to the line angle formed by the buccal and axial walls of a cavity. ... (05 Mar 2000) ...

buccoaxiocervical
Referring to the point angle formed by the junction of the buccal, axial, and cervical (gingival) walls of a cavity. ... (05 Mar 2000) ...

buccoaxiogingival
Referring to the point angle formed by the junction of a buccal, axial, and gingival (cervical) wall. ... (05 Mar 2000) ...

buccocervical
1. Relating to the cheek and the neck. ... 2. In dental anatomy, referring to that portion of the buccal surface of a bicuspid or molar tooth adjacent to its cemento-enamel junction. ... (05 Mar 2000) ...

buccocervical ridge
A convexity within the cervical third of the buccal surface of molars. ... (05 Mar 2000) ...

buccoclusal
Incorrect term referring to the line angle formed by the junction of a buccal and pulpal wall. ... See: buccopulpal. ... (05 Mar 2000) ...

buccodistal
Referring to the line angle formed by the junction of a buccal and distal wall of a cavity. ... (05 Mar 2000) ...

buccogingival
Relating to the cheek and the gum. ... (05 Mar 2000) ...

buccogingival ridge
A distinct ridge on the buccal surface of a deciduous molar tooth, approximately 1.5 mm from the crown-root junction. ... (05 Mar 2000) ...

buccolabial
1. Relating to both cheek and lip. ... 2. In dentistry, referring to that aspect of the dental arch or those surfaces of the teeth in contact with the mucosa of lip and cheek. ... (05 Mar 2000) ...

buccolingual
1. Pertaining to the cheek and the tongue. ... 2. In dentistry, referring to that aspect of the dental arch or those surfaces of the teeth in contact with the mucosa of the lip or cheek and the tongue. ... (05 Mar 2000) ...

buccolingual diameter
The diameter of the crown of a tooth measured from the buccal to the lingual surfaces. ... (05 Mar 2000) ...

buccolingual dimension
The diameter or dimension of a premolar or molar tooth from buccal to lingual surface. ... (05 Mar 2000) ...

buccolingual relation
The position of a space or tooth in relation to the tongue and the cheek. ... (05 Mar 2000) ...

buccomesial
Referring to the line angle formed by the junction of a buccal and mesial wall of a cavity. ... (05 Mar 2000) ...

bucconasal membrane
A thin, transient epithelial sheet separating the primitive nasal cavity from the stomodeum in the seven-week-old human embryo. ... Synonym: oronasal membrane. ... (05 Mar 2000) ...

bucconeural duct
Synonym for craniopharyngeal duct ... The slender tubular part of the hypophysial diverticulum; the stalk of Rathke's pocket. ... Synonym: bucconeural duct, hypophysial duct. ... (05 Mar 2000) ...

buccopharyngeal
<anatomy, dentistry> Pertaining to the mouth and pharynx. ... (18 Nov 1997) ...

buccopharyngeal fascia
The fascia that covers the muscular layer of the pharynx and is continued forward onto the buccinator muscle. ... Synonym: fascia buccopharyngea. ... (05 Mar 2000) ...

buccopharyngeal membrane
A bilaminar (ectoderm and endoderm) membrane derived from the prochordal plate; after the embryonic head fold has evolved it lies at the caudal limit of the stomodeum. ... Synonym: oral membrane, oropharyngeal membrane. ... (05 Mar 2000) ...

buccopulpal
Referring to the line angle formed by the junction of a buccal and pulpal wall of a cavity. ... (05 Mar 2000) ...

buccoversion
Malposition of a posterior tooth from the normal line of occlusion toward the cheek. ... (05 Mar 2000) ...

buccula
A fatty puffing under the chin. ... Synonym: double chin. ... Origin: L. Dim. Of bucca, cheek ... (05 Mar 2000) ...

Buchner extract
A cell-free extract of yeast, such as was prepared by Eduard and Hans Buchner and observed to catalyze alcoholic fermentation; this observation essentially eliminated 'vitalism' as being responsible for biological chemical reactions and initiated the beginnings of modern biochemistry (enzymology). ... (05 Mar 2000) ...

Buchner funnel
A porcelain funnel that contains a perforated porcelain plate upon which filter paper can be laid. ... (05 Mar 2000) ...

Buchner, Eduard
<person> German chemist and Nobel laureate, 1860-1917. ... See: Buchner extract, Buchner funnel. ... (05 Mar 2000) ...

Buchner, Hans
<person> German bacteriologist, 1850-1902. ... See: Buchner extract. ... (05 Mar 2000) ...

Buchwald, Hermann
<person> German physician, *1903. ... See: Buchwald's atrophy. ... (05 Mar 2000) ...

Buchwald's atrophy
A progressive form of cutaneous atrophy. ... (05 Mar 2000) ...

buck
1. The male of deer, especially fallow deer and antelopes, or of goats, sheep, hares, and rabbits. ... A male fallow deer is called a fawn in his first year; a pricket in his second; a sorel in his third; a sore in his fourth; a buck of the first head in his fifth; and a great buck in his sixth. The female of the fallow deer is termed a doe. The mal …

buck bean
<botany> A plant (Menyanthes trifoliata) which grows in moist and boggy places, having racems of white or reddish flowers and intensely bitter leaves, sometimes used in medicine; marsh trefoil. ... Synonym: bogbean, menyanthes. ... (08 Mar 2000) ...

buck tooth
An anterior tooth in labioversion. ... (05 Mar 2000) ...

Buck, Gurdon
<person> U.S. Surgeon, 1807-1877. ... See: Buck's extension, Buck's fascia, Buck's traction. ... (05 Mar 2000) ...

Buck's extension
Apparatus for applying longitudinal skin traction on the leg through contact between the skin and adhesive tape; friction between the tape and skin permits application of force, which is applied through a cord over a pulley, suspending a weight; elevation of the foot of the bed allows the body to act as a counterweight. ... Synonym: Buck's traction. …

Buck's fascia
Synonym for deep fascia of penis ... A deep layer which surrounds the three erectile bodies of the penis. ... Synonym: Buck's fascia, fascia penis profunda. ... (05 Mar 2000) ...

Buck's traction
Synonym for Buck's extension ... Apparatus for applying longitudinal skin traction on the leg through contact between the skin and adhesive tape; friction between the tape and skin permits application of force, which is applied through a cord over a pulley, suspending a weight; elevation of the foot of the bed allows the body to act as a counterweig …

bucked shins
Synonym for sore shins ... A condition seen most frequently in young thoroughbred horses during early training, and characterised by periostitis of the dorsal surface of the third metacarpal or metatarsal bone. ... Synonym: bucked shins. ... (05 Mar 2000) ...

bucket-handle incision
A bilateral subcostal abdominal incision. ... (05 Mar 2000) ...

bucket-handle tear
A tear in the central part of a semilunar cartilage. ... (05 Mar 2000) ...

buckeye
1. <botany> A name given to several American trees and shrubs of the same genus (aesculus) as the horse chestnut. The Ohio buckeye, or Fetid buckeye, is aesculus glabra. Red buckeye is ae. Pavia. Small buckeye is ae. Paviflora. Sweet buckeye, or Yellow buckeye, is ae. Flava. ... 2. A cant name for a native in Ohio. Buckeye State, Ohio; so call …

buckled aorta
Synonym for pseudocoarctation ... Distortion, often with slight narrowing, of the aortic arch at the level of insertion of the ligamentum arteriosum. ... Synonym: buckled aorta, kinked aorta. ... (05 Mar 2000) ...

buckler
1. A kind of shield, of various shapes and sizes, worn on one of the arms (usually the left) for protecting the front of the body. ... In the sword and buckler play of the Middle Ages in England, the buckler was a small shield, used, not to cover the body, but to stop or parry blows. ... 2. <zoology> One of the large, bony, external plates foun …

buckminsterfullerene
<chemistry> A hollow, spherical molecule consisting of 60 carbon atoms arranged in a soccer ball pattern of hexagons and pentagons. ... The molecule can superconduct, lubricate, and absorb light. The molecule is a type of fullerene, was the first one to be discovered and studied, and is named after the architect R. Buckminster Fuller. ... Synon …

buckram
1. A coarse cloth of linen or hemp, stiffened with size or glue, used in garments to keep them in the form intended, and for wrappers to cover merchandise. ... Buckram was formerly a very different material from that now known by the name. It was used for wearing apparel, etc. ... 2. <botany> A plant. See Ramson. ... Origin: OE. Bokeram, bougere …

buckskin
1. The skin of a buck. ... 2. A soft strong leather, usually yellowish or grayish in colour, made of deerskin. ... 3. A person clothed in buckskin, particularly an American soldier of the Revolutionary war. 'Cornwallis fought as lang's he dought, An' did the buckskins claw, man.' (Burns) ... 4. Breeches made of buckskin. 'I have alluded to his buckski …

buckthorn polyneuropathy
Ascending polyneuropathy resulting from ingestion of the fruit of Karwinskia humboldtiana. ... (05 Mar 2000) ...

Bucky diaphragm
In radiography, a diaphragm with a moving grid that avoids grid shadows. ... Synonym: Potter-Bucky diaphragm. ... (05 Mar 2000) ...

Bucky, Gustav
<person> U.S. Radiologist, 1880-1963. ... See: Bucky diaphragm. ... (05 Mar 2000) ...

bucladesine
<chemical> N-(1-oxobutyl)adenosine cyclic 3',5'-(hydrogen phosphate) 2'-butanoate. A cyclic nucleotide derivative that mimics the action of endogenous cyclic AMP and is capable of permeating the cell membrane. It has vasodilator properties and is used as a cardiac stimulant. ... Chemical name: Adenosine, N-(1-oxobutyl)-, cyclic 3',5'-(hydrogen …

buclizine hydrochloride
1-(p-tert-Butylbenzyl)-4-(p-phenylbenzyl)piperazine dihydrochloride;a mild sedative used for motion sickness, vertigo, and anxiety accompanying psychosomatic disorders. ... (05 Mar 2000) ...

buclosamide
N-Butyl-4-chlorosalicylamide;a topical antifungal agent. ... (05 Mar 2000) ...

bucrylate
<chemical> 2-cyano-2-propenoic acid 2-methylpropyl ester. Cyanoacrylate tissue adhesive also used to occlude blood vessels supplying neoplastic or other diseased tissue. ... Pharmacological action: tissue adhesives. ... Chemical name: 2-Propenoic acid, 2-cyano-, 2-methylpropyl ester ... (12 Dec 1998) ...

Bucy
Paul C., U.S. Neurosurgeon, 1904-1992. ... See: Kluver-Bucy syndrome. ... (05 Mar 2000) ...

bud
<botany> A small swelling or projection on a plant, from which a shoot, cluster of leaves, or flowers develops, a rudimentary, undeveloped shoot, leaf, or flower. ... (09 Oct 1997) ...

bud fission
Synonym for gemmation ... 1. <biology> The formation of a new individual, either animal or vegetable, by a process of budding; an asexual method of reproduction; gemmulation; gemmiparity. See Budding. ... 2. <botany> The arrangement of buds on the stalk; also, of leaves in the bud. ... Origin: Cf. F. Gemmation. ... Source: Websters Dictiona …

bud stage
First stage of tooth development; development of the primordia of the enamel organs, the tooth buds. ... (05 Mar 2000) ...

Budd-Chiari syndrome
<gastroenterology, syndrome> Liver dysfunction due to occlusion of the hepatic veins. May be congenital. ... (27 Sep 1997) ...

Budd, George
<person> English physician, 1808-1882. ... See: Budd's cirrhosis, Budd's syndrome, Budd-Chiari syndrome. ... (05 Mar 2000) ...

Budd's cirrhosis
Chronic enlargement of the liver without jaundice, formerly thought to be of intestinal origin. ... (05 Mar 2000) ...

Budd's syndrome
Synonym for Chiari's syndrome ... <syndrome> Thrombosis of the hepatic vein with great enlargement of the liver and extensive development of collateral vessels, intractable ascites, and severe portal hypertension. ... Synonym: Budd's syndrome, Budd-Chiari syndrome, Chiari's disease, Chiari-Budd syndrome, Rokitansky's disease. ... (05 Mar 2000)
Budde process
A method of milk sterilization; to the fresh milk, hydrogen peroxide is added in the proportion of 15 ml of a 3% solution to 1 liter of milk, and the mixture is heated to 51°or 52°C (124°F) for 3 hours, by which time the peroxide is decomposed and the nascent oxygen acts as an efficient germicide; the milk is then rapidly cooled and put into sealed …

Budde, E
<person> Danish sanitary engineer, *1871. ... See: Budde process. ... (05 Mar 2000) ...

buddeised milk
Synonym for Budde process ... A method of milk sterilization; to the fresh milk, hydrogen peroxide is added in the proportion of 15 ml of a 3% solution to 1 liter of milk, and the mixture is heated to 51°or 52°C (124°F) for 3 hours, by which time the peroxide is decomposed and the nascent oxygen acts as an efficient germicide; the milk is then rapid …

buddhism
The teaching ascribed to gautama buddha (ca. 483 b.c.) holding that suffering is inherent in life and that one can escape it into nirvana by mental and moral self-purification. (webster, 3d ed) ... (12 Dec 1998) ...

budding
<microbiology> A type of cell division in fungi and in protozoa in which one of the daughter cells develops as a smaller protrusion from the other. ... Usually the position of the budding cell is defined by polarity in the mother cell. In some protozoa the budded daughter may lie within the cytoplasm of the other daughter. ... (18 Nov 1997) ...

budding and appendaged bacteria
Bacteria that commonly possess unusual shapes, have complex life cycles, and divide by budding. Many have appendages which are sufficiently prominent that they can be detected by phase-contrast light microscopy. ... (12 Dec 1998) ...

buddle
<chemical> An apparatus, especially an inclined trough or vat, in which stamped ore is concentrated by subjecting it to the action of rynning water so as to wash out the lighter and less valuable portions. ... Origin: Prov. E, to cleanse ore, also a vessel for this purpose; cf. G. Butteln to shake. ... <chemical> To wash ore in a buddle.< …

budesonide
<chemical> A glucocorticoid used in the management of asthma, the treatment of various skin disorders, and allergic rhinitis. ... Pharmacological action: steroidal anti-inflammatory agents, bronchodilator agents, glucocorticoids, topical. ... Chemical name: Pregna-1,4-diene-3,20-dione,16,17-(butylidenebis(oxy))-11,21-dihydroxy-, (11beta,16alpha …

Budge, Julius
<person> German physiologist, 1811-1888. ... See: Budge's centre. ... (05 Mar 2000) ...

Budge's centre
Synonym for ciliospinal centre ... The preganglionic motor neurons in the first thoracic segment of the spinal cord which give rise to the sympathetic innervation of the dilator muscle of the eye's pupil. ... Synonym: Budge's centre. ... (05 Mar 2000) ...

budgerigar
An Australian parakeet (Melopsillacus undulatus) commonly kept as a small pet bird. ... (05 Mar 2000) ...

budgets
Detailed financial plans for carrying out specific activities for a certain period of time. They include proposed income and expenditures. ... (12 Dec 1998) ...

budgie
Abbreviated form of budgerigar. ... (05 Mar 2000) ...

Budin, Pierre
<person> French gynecologist, 1846-1907. ... See: Budin's obstetrical joint. ... (05 Mar 2000) ...

Budin's obstetrical joint
Synonym for posterior intraoccipital synchondrosis ... Cartilaginous union between the squamous and lateral parts of the occipital bone in the newborn. ... Synonym: synchondrosis intraoccipitalis posterior, Budin's obstetrical joint, posterior intraoccipital joint. ... (05 Mar 2000) ...

BUdR
<chemical, molecular biology> Analogue of thymidine that induces point mutations because of its tendency to tautomerisation: in the enol form it pairs with G instead of A. ... It is used as a mutagen and also as a marker for DNA synthesis (the incorporation of BUdR can be recognised because the staining pattern differs: an even more sensitive …

Buerger, Leo
<person> Austrian-U.S. Physician, 1879-1943. ... See: Winiwarter-Buerger disease, Buerger's disease. ... (05 Mar 2000) ...

Buerger's disease
<cardiology> A progressive occlusive disease of the arteries and veins. The cause of Buerger's disease is unknown. Smoking appears to accelerate the occlusive effects of Buerger's. ... (27 Sep 1997) ...

bufa-
Combining forms denoting origin from toads; used in the systematic and trivial names of toxic substances (genins) isolated from plants and animals containing the bufanolide structure; prefixes denoting species origin are often attached. ... Origin: L. Bufo, toad ... (05 Mar 2000) ...

bufadienolide
See: bufanolide. ... (05 Mar 2000) ...

bufadienolides (two double bonds)
Bufatrienolides (three double bonds), etc; they have varying numbers of hydroxyl groups at positions 3, 5, 14, and 16, and these may be further substituted. For structure, see steroids. ... (05 Mar 2000) ...

bufagenins
Synonym for bufagins ... A group of steroids (bufanolides) in the venom of a family of toads (Bufonidae) having a digitalis-like action upon the heart; cardiac glycosides having a six-membered lactone. ... See: bufotoxins. ... Synonym: bufagenins, bufogenins. ... (05 Mar 2000) ...

bufagins
A group of steroids (bufanolides) in the venom of a family of toads (Bufonidae) having a digitalis-like action upon the heart; cardiac glycosides having a six-membered lactone. ... See: bufotoxins. ... Synonym: bufagenins, bufogenins. ... (05 Mar 2000) ...

bufanolide
The fundamental steroid lactone of several vegetable (e.g., squill) and animal (e.g., toad) venoms or toxins; also found in the form of glycosides in plants (e.g., digitalis). The steroid is essentially a 5b-androstane, with a 14b H. The lactone at C-17 is structurally related to the -CH(CH3)CH2CH2CH3 radical attached to C-17 in the cholanes, and i …

bufanolides
Steroids derived from various bufo species and often possessing cardiotonic properties. ... (12 Dec 1998) ...

bufatrienolide
See: bufanolide. ... (05 Mar 2000) ...

bufenolide
See: bufanolide. ... (05 Mar 2000) ...

bufenolides (one double bond)
(05 Mar 2000) ...

bufexamac
<chemical> 4-butoxy-n-hydroxybenzeneacetamide. An anti-inflammatory analgesic with antipyretic action. It is administered topically, orally, or rectally. ... Pharmacological action: non-steroidal anti-inflammatory agents, topical anti-inflammatory agents. ... Chemical name: Benzeneacetamide, 4-butoxy-N-hydroxy- ... (12 Dec 1998) ...

buff
1. A sort of leather, prepared from the skin of the buffalo, dressed with oil, like chamois; also, the skins of oxen, elks, and other animals, dressed in like manner. 'A suit of buff.' ... 2. The colour to buff; a light yellow, shading toward pink, gray, or brown. 'A visage rough, Deformed, unfeatured, and a skin of buff.' (Dryden) ... 3. A military …

buffalo
Origin: Sp. Bufalo (cf. It. Bufalo, F. Buffle), fr. L. Bubalus, bufalus, a kind of African stag or gazelle; also, the buffalo or wild ox, fr. Gr. Buffalo, prob. Fr. Ox. See Cow the animal, and cf. Buff the colour, and Bubale. ... 1. <zoology> A species of the genus Bos or Bubalus (B. Bubalus), originally from India, but now found in most of th …

buffalo hump
Synonym for buffalo type ... Term used to describe the distribution of a fat deposit seen posteriorly over the upper thoracic vertebrae; seen in hyperadrenocorticalism (Cushing's syndrome). ... Synonym: buffalo hump. ... (05 Mar 2000) ...

buffalo neck
Combination of moderate kyphosis with thick heavy fat pad on the neck, seen especially in persons with Cushing's disease or syndrome. ... (05 Mar 2000) ...

buffalo type
Term used to describe the distribution of a fat deposit seen posteriorly over the upper thoracic vertebrae; seen in hyperadrenocorticalism (Cushing's syndrome). ... Synonym: buffalo hump. ... (05 Mar 2000) ...

buffaloes
Ruminants of the family bovidae consisting of bubalus arnee and syncerus caffer. This concept is differentiated from bison, which refers to bison bison and bison bonasus. ... (12 Dec 1998) ...