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


benight
1. To involve in darkness; to shroud with the shades of night; to obscure. 'The clouds benight the sky.' (Garth) ... 2. To overtake with night or darkness, especially before the end of a day's journey or task. 'Some virgin, sure, . . . Benighted in these woods.' (Milton) ... 3. To involve in moral darkness, or ignorance; to debar from intellectual li …

benign
<oncology> Something that does not metastasise and treatment or removal is curative. ... Compare: malignant. ... Origin: L. Benignus ... (11 Jan 1998) ...

benign albuminuria
A collective term for types that are not the result of pathologic changes in the kidneys. ... Synonym: essential albuminuria. ... (05 Mar 2000) ...

benign bone aneurysm
Synonym for aneurysmal bone cyst ... <radiology> ABC, 10 - 30 yrs, 75% before skeletal maturity, sites: long bones; also, flat bones Findings: metaphyseal if unfused, metaepiphyseal after fusion, lytic, expansile, thin, continuous rim, thin internal bony strands ... (12 Dec 1998) ...

benign cementoblastoma
Synonym for cementoblastoma ... <tumour> A benign odontogenic tumour of functional cementoblasts; it appears as a mixed radiolucent-radiopaque lesion attached to a tooth root and may cause expansion of the bone cortex or be associated with pain. ... Synonym: benign cementoblastoma, true cementoma. ... (05 Mar 2000) ...

benign dry pleurisy
Synonym for epidemic pleurodynia ... An acute infectious disease usually occurring in epidemic form, characterised by paroxysms of pain, usually in the chest, and associated with strains of Enterovirus coxsackievirus type B. ... Synonym: benign dry pleurisy, Bornholm disease, Daae's disease, devil's grip, diaphragmatic pleurisy, epidemic benign dry p …

benign dyskeratosis
Dyskeratosis that may occur in congenital and bullous diseases of the skin. ... (05 Mar 2000) ...

benign ear cyst
A disorder where there are noncancerous lumps or growths within the ear canal or on the pinna of the ear (external ear). most lumps are sebaceous cysts but some are bony overgrowths known as exostoses (or osteomas). If large enough they may interfere with hearing. In this case surgical removal may be required. ... (27 Sep 1997) ...

benign essential tremor
Synonym for heredofamilial tremor ... A benign tremor inherited as a dominant character; it may be a rapid oscillation resembling that seen in thyrotoxicosis, a coarse tremor during rest and inhibited by a voluntary effort, or one which appears only upon movement. ... Synonym: benign essential tremor, familial tremor. ... (05 Mar 2000) ...

benign faint
A form of syncope (fainting) that occurs as a part of a normal physiologic response to stress (often emotional stress). The individual becomes lightheaded, nauseated, flushed, feels warm and then may lose consciousness for several seconds. ... (27 Sep 1997) ...

benign familial chorea
A rare, nonprogressive movement disorder characterised by chorea and athetosis appearing in early childhood, most commonly manifested as gait ataxia and upper limb coordination. Intellect is unaffected. Probably autosomal-dominance inheritance with incomplete penetrance. ... (05 Mar 2000) ...

benign familial chronic pemphigus
Recurrent eruption of vesicles and bullae that become scaling and crusted lesions with vesicular borders, predominantly of the neck, groin, and axillary regions; autosomal dominant inheritance, presenting in late adolescence or early adult life. ... Synonym: Hailey-Hailey disease. ... (05 Mar 2000) ...

benign familial icterus
Synonym for familial nonhemolytic jaundice ... Mild jaundice due to increased amounts of unconjugated bilirubin in the plasma without evidence of liver damage, biliary obstruction, or haemolysis; thought to be due to an inborn error of metabolism in which the excretion of bilirubin by the liver is defective, ascribed to decreased conjugation of bili …

benign giant lymph node hyperplasia
Solitary masses of lymphoid tissue containing concentric perivascular aggregates of lymphocytes, occurring usually in the mediastinum or hilar region of young adults; similar changes have been reported outside the mediastinum and, if associated with interfollicular sheets of plasma cells, may progress to lymphoma or plasmacytoma. ... Synonym: angiof …

benign glycosuria
Glycosuria not associated with diabetes mellitus but resulting from a low renal threshold for sugar. ... (05 Mar 2000) ...

benign headache
A benign form of headache that results from the painful spasm (muscle tightness) and inflammation of muscles of the head and neck. Tension headache is one of the most common forms of headache. Spasm and contraction of the head and neck muscles may occur in response to fatigue, overuse, eye strain, excessive smoking, stress, anxiety or depression. S …

benign hypertension
Hypertension that runs a relatively long and symptomless course. ... (05 Mar 2000) ...

benign inoculation reticulosis
Synonym for cat-scratch disease ... <disease> A self-limiting bacterial infection of the regional lymph nodes (lymphadenitis) caused by afipia felis, a gram-negative bacterium recently identified as bartonella henselae. ... It usually arises one or more weeks following a feline scratch, with raised inflammatory nodules at the site of the scratc …

benign juvenile melanoma
Synonym for Spitz nevus ... A benign, slightly pigmented or red superficial small skin tumour composed of spindle-shaped, epithelioid, and multinucleated cells that may appear atypical; most common in children, but also appearing in adults. ... Synonym: benign juvenile melanoma, epithelioid cell nevus, spindle cell nevus. ... (05 Mar 2000) ...

benign liver tumours
<radiology> EPITHELIAL TUMORS, nodular transformation, focal nodular hyperplasia, hepatocellular adenoma, MESENCHYMAL TUMORS, lipoma, myelolipoma, angiomyolipoma, leiomyoma, infantile haemangioendothelioma, haemangioma, benign mesothelioma, MIXED TISSUE TUMORS, mesenchymal hamartoma, benign teratoma, MISCELLANEOUS, adrenal rest tumours, pancr …

benign lymphadenosis
Synonym for infectious mononucleosis ... <haematology, virology> Self limiting disorder of lymphoid tissue caused by infection with Epstein Barr virus (infectious mononucleosis). Characterised by the appearance of many large lymphoblasts in the circulation. ... (13 Nov 1997) ...

benign lymphocytoma cutis
A soft red to violaceous skin nodule often involving the head, caused by dense infiltration of the dermis by lymphocytes and histiocytes, often forming lymphoid follicles, separated from the epidermis by a narrow noninfiltrating layer. ... Synonym: Spiegler-Fendt pseudolymphoma, Spiegler-Fendt sarcoid. ... (05 Mar 2000) ...

benign lymphoepithelial lesion
Benign tumour-like masses of lymphoid tissue in the parotid gland, containing scattered small, mainly solid islands of epithelial cells. ... Synonym: Godwin tumour. ... (05 Mar 2000) ...

benign lymphoma of the rectum
A rectal polyp composed of lymphoid tissue with follicle formation, covered by mucosa. ... (05 Mar 2000) ...

benign mesothelioma
Synonym for solitary fibrous tumour ... A benign tumour of fibrous tissue which usually arises in the pleural space on other sites. ... Synonym: benign mesothelioma. ... (05 Mar 2000) ...

benign migratory glossitis
Synonym for geographic tongue ... <clinical sign> A benign condition where there is a map-like appearance to the tongue resulting from irregular denuded patches in the surface (loss of tongue papillae). ... Likely secondary to local irritation from hot or spicy foods, alcohol or tobacco. There are no significant complications. ... (27 Sep 1997)< …

benign mucosal pemphigoid
Synonym for cicatricial pemphigoid ... A chronic disease that produces adhesions and progressive cicatrization and shrinkage of the conjunctival, oral, and vaginal mucous membranes. ... Synonym: benign mucosal pemphigoid. ... (05 Mar 2000) ...

benign myalgic encephalomyelitis
Synonym for epidemic neuromyasthenia ... An epidemic disease characterised by stiffness of the neck and back, headache, diarrhoea, fever, and localised muscular weakness; restricted almost exclusively to adults, affecting women more than men; probably viral in origin. ... Synonym: Akureyri disease, benign myalgic encephalomyelitis, epidemic myalgic e …

benign nasal tumour
A benign tumour of the posterior nasopharynx that is most common in adolescent boys. ... Symptoms repeated epistaxis, nasal congestion, nasal discharge and hearing loss. A skull X-ray or a CT scan of the head can confirm the presence of an angiofibroma. Treatment may include the surgical removal of the lesion if it is enlarging or blocking the airwa …

benign neonatal convulsions
A familial, self-limited epilepsy, beginning at two or three days of age and resolving spontaneously by six months of age; autosomal dominant inheritance. ... (05 Mar 2000) ...

benign nephrosclerosis
Synonym for arteriolar nephrosclerosis ... <nephrology> Refers to the destructive changes that occur in the blood vessels of the kidney due to severe hypertension (malignant hypertension). Prolonged hypertension can result in renal failure. ... (17 Oct 1997) ...

benign paroxysmal peritonitis
familial paroxysmal polyserositis ...

benign paroxysmal postural vertigo
A recurrent, brief form of postural vertigo occurring in clusters; believed to result from displaced remnants of utricular otoconia. ... Synonym: cupulolithiasis. ... (05 Mar 2000) ...

benign positional vertigo
Brief attacks of paroxysmal vertigo and nystagmus that occur solely with certain head movements or positions, e.g., with neck extension; due to labyrinthine dysfunction. ... Synonym: positional vertigo of Barany, postural vertigo. ... (05 Mar 2000) ...

benign prostatic hyperplasia
<urology> A benign enlargement of the prostate gland begins normally after age 50 years probably secondary to the effects of male hormones. If significant enlargement occurs, it may pinch off te urethra making urination difficult or impossible. ... See: urinary retention. ... Origin: Gr. Plassein = to form ... (06 Aug 1998) ...

benign prostatic hypertrophy
<urology> A benign enlargement of the prostate gland begins normally after age 50 years probably secondary to the effects of male hormones. If significant enlargement occurs, it may pinch off te urethra making urination difficult or impossible. ... See: urinary retention. ... (06 Aug 1998) ...

benign stupor
A stuporous syndrome from which recovery is the rule, as opposed to malignant stupor. ... Synonym: depressive stupor. ... (05 Mar 2000) ...

benign tertian malaria
Synonym for vivax malaria ... <disease, microbiology> A type of malaria caused by the protozoan Plasmodium vivax, it isthe most common form of the disease, is rarely fatal but is the most difficult to cure, and is characterised by fevers that typically occur every other day. ... (11 Nov 1997) ...

benign tetanus
A disorder marked by intermittent tonic muscular contractions of the extremities, especially the hands and feet (carpopedal spasm), accompanied by paresthesias and, when severe, by crowing respirations due to laryngospasm and seizures; results from hypocalcaemia, caused by various disorders, including gastrointestinal abnormalities. ... Synonym: int …

benign tumour
<oncology> A nonmalignant clone of neoplastic cells that does not invade locally or spread to other parts of the body (metastasise), having lost growth control but not positional control. Usually surrounded by a fibrous capsule of compressed tissue. ... (29 Sep 1997) ...

benin
A republic in western africa, south of niger and between togo and nigeria. Its capital is porto-novo. It was formerly called dahomey. In the 17th century it was a kingdom in the southern area of africa. Coastal footholds were established by the french who deposed the ruler by 1892. It was made a french colony in 1894 and gained independence in 1960 …

benne oil
Synonym for sesame oil ... <chemical> The refined fixed oil obtained from the seed of one or more cultivated varieties of sesamum indicum. It is used as a solvent and oleaginous vehicle for drugs and has been used internally as a laxative and externally as a skin softener. It is used also in the manufacture of margarine, soap, and cosmetics.
bennet
<botany> The common yellow-flowered avens of Europe (Geum urbanum); herb bennet. The name is sometimes given to other plants, as the hemlock, valerian, etc. ... Origin: F. Benoite, fr. L. Benedicta, fem. Of benedictus. ... (06 Aug 1998) ...

Bennett angle
The angle formed by the sagittal plane and the path of the advancing condyle during lateral mandibular movement as viewed in the horizontal plane. ... (05 Mar 2000) ...

bennett fracture
<radiology> Mechanism: forced abduction of thumb, findings: intraarticular fracture/dislocation of the base of the 1st metacarpal at the ulnar aspect, small fragment of metacarpal continues to articulate with the trapezium, lateral retraction of metacarpal shaft by abductor pollicis longus, difficult to keep in anatomical alignment, complicat …

Bennett movement
The bodily lateral movement or lateral shift of the mandible during a laterotrusive movement. ... (05 Mar 2000) ...

Bennett, Edward
<person> Irish surgeon, 1837-1907. ... See: Bennett's fracture. ... (05 Mar 2000) ...

Bennett, Norman
<person> British dentist, 1870-1947. ... See: Bennett angle, Bennett movement. ... (05 Mar 2000) ...

Bennett's fracture
<orthopaedics> A fracture-dislocation of the first metacarpal bone (thumb) at the carpal metacarpal joint. ... (06 Aug 1998) ...

Bennhold, H
<person> German physician, *1893. ... See: Bennhold's Congo red stain. ... (05 Mar 2000) ...

Bennhold's Congo red stain
<technique> An amyloid stain useful for amyloid detection in pathologic tissue; gives red staining of amyloid; also induces green birefringence to amyloid under polarised light. ... (05 Mar 2000) ...

benomyl
<chemical> Methyl 1-(butylcarbamoyl)-2-benzimidazolecarbamate. A systemic agricultural fungicide used for control of certain fungal diseases of stone fruit. ... Pharmacological action: anthelmintic, fungicides, industrial. ... Chemical name: Carbamic acid, (1-((butylamino)carbonyl)-1H-benzimidazol-2-yl)-, methyl ester ... (12 Dec 1998) ...

benoxaprofen
(&plusmn;)-2-(p-Chlorophenyl)-alpha-methyl-5-benzoxazoleacetic acid;a non-steroidal anti-inflammatory and analgesic agent, no longer clinically used. ... (05 Mar 2000) ...

benperidol
<chemical> A butyrophenone with general properties similar to those of haloperidol. It has been used in the treatment of aberrant sexual behaviour. ... Pharmacological action: antipsychotic agents, butyrophenone, dopamine antagonists. ... Chemical name: 2H-Benzimidazol-2-one, 1-(1-(4-(4-fluorophenyl)-4-oxobutyl)-4-piperidinyl)-1,3-dihydro- ... ( …

benserazide
<chemical> An inhibitor of dopa decarboxylase that does not enter the central nervous system. It is often given with levodopa in the treatment of parkinsonism to prevent the conversion of levodopa to dopamine in the periphery, thereby increasing the amount that reaches the central nervous system and reducing the required dose. It has no antip …

Bensley, Robert
<person> U.S.-Canadian anatomist, 1867-1956. ... See: Bensley's specific granules. ... (05 Mar 2000) ...

Bensley's specific granules
Granule's in the cells of the islands of Langerhans in the pancreas. ... (05 Mar 2000) ...

bent
1. Changed by pressure so as to be no longer straight; crooked; as, a bent pin; a bent lever. ... 2. Strongly inclined toward something, so as to be resolved, determined, set, etc.; said of the mind, character, disposition, desires, etc, and used with on; as, to be bent on going to college; he is bent on mischief. ... 3. <botany> A reedlike gra …

bent grass
<botany> A reedlike grass of the genus Agrostis, especially. Agrostis vulgaris, or redtop. The name is also used of many other grasses, especially in the US. ... (06 Aug 1998) ...

benthos
<ecology> Animals and plants living on or within the substrate of a water body (freshwater, estuarine or marine). ... (06 Aug 1998) ...

bentiromide
4-[[(2-Benzoylamino)-3-(4-hydroxyphenyl)-1-oxopropyl]amino ]benzoic acid;a peptide used as a screening test for exocrine pancreatic insufficiency and to monitor the adequacy of supplemental pancreatic therapy. ... (05 Mar 2000) ...

bentiromide test
A test of pancreatic exocrine function that does not require duodenal intubation: orally administered bentiromide is cleaved by chymotrypsin within the lumen of the small intestine, releasing p-aminobenzoic acid which is absorbed and excreted in the urine; diminished urinary excretion of p-aminobenzoic acid suggests pancreatic insufficiency. ... (05 …

bentonite
<chemical> Bentonite. A native, colloidal, hydrated aluminum silicate which, on the addition of water, swells to produce a slippery paste. Its chief pharmaceutical use is as a suspending agent and it has also been used as a bulk laxative. ... Chemical name: Bentonite ... (12 Dec 1998) ...

bentonite flocculation test
A flocculation test for rheumatoid arthritis in which sensitised bentonite particles are added to inactivated serum; the test is positive if half of the particles are clumped while the other half remain in suspension. ... (05 Mar 2000) ...

benz-
Combining form denoting association with benzene. ... (05 Mar 2000) ...

benzal
<chemistry> A transparent crystalline substance, obtained by the action of ammonia upon chloride of benzoyl, as also by several other reactions with benzoyl compounds. ... Structure: C6H5.CO.NH2 ... Origin: Benzoic + aldehyde. ... (06 Aug 1998) ...

benzalacetophenone
Synonym for chalcone ... An organic molecule prepared by aldol condensation of acetophenone andbenzaldehyde. ... (09 Oct 1997) ...

benzalcoumaran-3-one
Synonym for aurone ... 1. 2-benzylidene-3(2H)-benzofuranone;the parent compound of a series of plant pigments; they are substituted coumaranones, and may be formed from chalcones. They are often found as glycosides. ... 2. A class of compounds based on aurone. ... Synonym: benzalcoumaran-3-one. ... (05 Mar 2000) ...

benzaldehyde
C6H5CHO;an aldehyde produced artificially or obtained from oil of bitter almond, containing not less than 80% of benzaldehyde; a flavoring agent used in orally administered medicines. ... Synonym: benzoic aldehyde. ... (05 Mar 2000) ...

benzaldehyde lyase
<enzyme> Requires thiamine ppi; from pseudomonas fluorescens; cleaves the acycloin linkage of benzoin, producing 2 molecules of benzaldehyde; also acts on anisoin, forming anisaldehyde ... Registry number: EC 4.1.2.- ... Synonym: benzoin benzaldehyde lyase ... (26 Jun 1999) ...

benzalkonium chloride
A mixture of alkylbenzyldimethylammonium chlorides in which the alkyls are long-chain compounds (C8 to C18); a surface-active germicide for many pathogenic nonsporulating bacteria and fungi. Aqueous solutions of this agent have a low surface tension, and possess detergent, keratolytic, and emulsifying properties that aid the penetration and wetting …

benzalkonium compounds
<chemical> A mixture of alkylbenzyldimethylammonium compounds. It is a bactericidal quaternary ammonium detergent used topically in medicaments, deodorants, mouthwashes, as a surgical antiseptic, and as a as preservative and emulsifier in drugs and cosmetics. ... Pharmacological action: anti-infective agents, local, detergents, preservatives, …

benzamide
<chemistry> A transparent crystalline substance, obtained by the action of ammonia upon chloride of benzoyl, as also by several other reactions with benzoyl compounds. ... Structure: C6H5.CO.NH2 ... Origin: Benzoin + amide. ... (06 Aug 1998) ...

benzamidines
Amidines substituted with a benzene group. Benzamidine and its derivatives are known as peptidase inhibitors. ... (12 Dec 1998) ...

benzanthracene
<chemical> A carcinogenic hydrocarbon. Generally, hydrocarbons in which a benzene and anthracene ring have a double bond in common. ... Chemical name: 1,2-benzanthracene ... Synonym: benzanthrene. ... (04 Jul 2000) ...

benzanthrene
Synonym for benzanthracene ... <chemical> A carcinogenic hydrocarbon. Generally, hydrocarbons in which a benzene and anthracene ring have a double bond in common. ... Chemical name: 1,2-benzanthracene ... Synonym: benzanthrene. ... (04 Jul 2000) ...

benzbromarone
<chemical> 3,5-dibromo-4-hydroxyphenyl-2-ethyl-3-benzofuranyl ketone. Uricosuric that acts by increasing uric acid clearance. It is used in the treatment of gout. ... Pharmacological action: uricosuric agents. ... Chemical name: Methanone, (3,5-dibromo-4-hydroxyphenyl)(2-ethyl-3-benzofuranyl)- ... (12 Dec 1998) ...

benzene
<chemistry> A volatile, very inflammable liquid, contained in the naphtha produced by the destructive distillation of coal, from which it is separated by fractional distillation. The name is sometimes applied also to the impure commercial product or benzole, and also, but rarely, to a similar mixed product of petroleum. ... The Benzene nucleus …

benzene 1,2-dioxygenase
<enzyme> Converts benzene into cis-benzene glycol; consists of a flavoprotein reductase, reductase(bed), and a ferredoxin, ferredoxin(bed), which transfers electrons from NADH to an iron-sulfur protein, isp(bed), which acts as a dioxygenase ... Registry number: EC 1.14.12.3 ... Synonym: benzene hydroxylase ... (26 Jun 1999) ...

benzene mono-oxygenase
<enzyme> Cytochrome p-450-dependent; forms benzene oxide ... Registry number: EC 1.13.12.- ... (26 Jun 1999) ...

benzene nucleus
The six conjugated carbon atoms of the benzene ring. ... (05 Mar 2000) ...

benzene ring
The closed-chain arrangement of the carbon and hydrogen atoms in the benzene molecule. ... See: cyclic compound. ... (05 Mar 2000) ...

benzeneamine
Synonym for aniline ... <chemistry> An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colourless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which ma …

benzenesulfonates
Organic salts and esters of benzenesulfonic acid. ... (12 Dec 1998) ...

benzestrol
3-Ethyl-2,4-bis(p-hydroxyphenyl)acetate;a synthetic oestrogenic substance. ... (05 Mar 2000) ...

benzethonium
<chemical> Bactericidal cationic quaternary ammonium surfactant used as a topical anti-infective agent. It is an ingredient in medicaments, deodorants, mouthwashes, etc., and is used to disinfect apparatus, etc., in the food processing and pharmaceutical industries, in surgery, and also as a preservative. The compound is toxic orally as a res …

benzethonium chloride
A synthetic quaternary ammonium compound, one of the cationic class of detergents; germicidal and bacteriostatic. ... (05 Mar 2000) ...

benzhydryl compounds
Compounds which contain the methyl radical substituted with two benzene rings. Permitted are any substituents, but ring fusion to any of the benzene rings is not allowed. ... (12 Dec 1998) ...

benzidine
NH2C6H4C6 H4NH2; p-Diaminodiphenyl;a colourless, crystalline compound used to detect sulfates in water analysis, for the identification of blood, and as a reagent in special stains; because it has been identified as a carcinogen, its current use is limited. ... (05 Mar 2000) ...

benzidine test
A test for blood; the suspected fluid is treated with glacial acetic acid and ether, and the latter is then decanted and treated with hydrogen peroxide and a solution of benzidine in acetic acid; the presence of blood is indicated by a bluish colour turning to purple. ... Synonym: Adler's test. ... (05 Mar 2000) ...

benzidines
<chemical> Very toxic industrial chemicals. They are absorbed through the skin, causing lethal blood, bladder, liver, and kidney damage and are potent, broad-spectrum carcinogens in most species. ... Pharmacological action: carcinogens. ... (12 Dec 1998) ...

benzile
<chemistry> A yellowish crystalline substance, formed from benzoin by the action of oxidizing agents, and consisting of a doubled benzoyl radical. ... Structure: C6H5.CO.CO.C6H5 ... Origin: From Benzoin. ... (06 Aug 1998) ...

benzimidazole
A ring system comprised of a benzene ring fused with an imidazole ring; occurs in nature as part of the vitamin B12 molecule. ... (05 Mar 2000) ...

benzin
petroleum benzin ...

benzindamine hydrochloride
Synonym for benzydamine hydrochloride ... 1-benzyl-3-[3-dimethylamino)propoxy]-1H-indazole;an analgesic and antipyretic. ... Synonym: benzindamine hydrochloride. ... (05 Mar 2000) ...

benzine
Synonym for benzene ... <chemistry> A volatile, very inflammable liquid, contained in the naphtha produced by the destructive distillation of coal, from which it is separated by fractional distillation. The name is sometimes applied also to the impure commercial product or benzole, and also, but rarely, to a similar mixed product of petroleum. …

benziodarone
2-Ethyl-3-benzofuranyl 4-hydroxy-3,5-diiodophenyl ketone;a coronary vasodilator. ... (05 Mar 2000) ...

benzo(a)pyrene
<chemical> A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke. ... Pharmacological action: carcinogens, environmental pollutants, mutagens. ... Chemical name: Benzo(a)pyrene ... (12 Dec 1998) ...

benzo(a)pyrene-4,5-oxide hydratase
<enzyme> Aspect of epoxide hydrolase, EC 3.3.2.3 ... Registry number: EC 3.3.2.- ... (26 Jun 1999) ...

benzoate
<chemistry> A salt formed by the union of benzoic acid with any salifiable base. ... Origin: Cf. F. Benzoate. ... (06 Aug 1998) ...