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


empyema of gallbladder
Severe acute cholecystitis with purulent inflammation of the gallbladder. ... Latent empyema, the presence of pus in a cavity, especially one of the accessory sinuses, unattended by subjective symptoms. ... Synonym: empyema benignum. ... Loculated empyema, pyothorax in which pleural adhesions form one or more pockets containing pus. ... (05 Mar 2000)
empyema of the pericardium
Synonym for pyopericardium ... An accumulation of pus in the pericardial sac. ... Synonym: empyema of the pericardium. ... (05 Mar 2000) ...

empyema tube
A rubber drainage tube, piercing a sheet rubber shield, passed through the chest wall in order to drain an empyema. ... (05 Mar 2000) ...

empyema, pleural
Suppurative inflammation of the pleural space. ... (12 Dec 1998) ...

empyema, subdural
An intracranial suppurative process between the dura and the arachnoid. The infection gains entrance to the subdural space from the frontal and ethmoid sinuses, the middle ear, and the mastoid cells. ... (12 Dec 1998) ...

empyema, tuberculous
Empyema due to mycobacterium tuberculosis. ... (12 Dec 1998) ...

empyocele
A suppurating hydrocele;a collection of pus in the scrotum. ... Origin: G. En, in, + pyon, pus, + kele, tumour ... (05 Mar 2000) ...

emt protein-tyrosine kinase
<enzyme> Isolated from murine mast cells ... Registry number: EC 2.7.1.- ... Synonym: emt ptk, itk protein, itk gene product, tsk protein, inducible t cell kinase ... (26 Jun 1999) ...

emu
<zoology> A large Australian bird, of two species (Dromaius Novae-Hollandiae and D. Irroratus), related to the cassowary and the ostrich. The emu runs swiftly, but is unable to fly. ... Alternative forms: emeu and emew. ... The name is sometimes erroneously applied, by the Brazilians, to the rhea, or South American ostrich. Emu wren. ... Origin: …

emulation
1. The endeavor to equal or to excel another in qualities or actions; an assiduous striving to equal or excel another; rivalry. 'A noble emulation heats your breast.' (Dryden) ... 2. Jeaous rivalry; envy; envious contention. 'Such factious emulations shall arise.' (Shak) ... Synonym: Competition, rivalry, contest, contention, strife. ... Emulation, Co …

emulgent
<anatomy> Pertaining to the kidneys; renal; as, emulgent arteries and veins. ... An emulgent vessel, as a renal artery or vein. ... Origin: L. Emulgens, p. Pr. Of emulgere to milk out: cf. F. Emulgent. So called because regarded by the ancients as straining out the serum, as if by milking, and so producing the urine. ... <medicine> A medic …

emulsifier
A substance which can be used to produce an emulsion out of two liquids that normally cannot be mixed together (such as oil and water). Emulsifiers are common in foods to maintain consistency within puddings, powders, etc. ... (09 Oct 1997) ...

emulsify
To convert or to be converted into an emulsion. ... (18 Nov 1997) ...

emulsifying wax
A washable ointment base consisting of a mixture of cetostearyl alcohol, sodium lauryl sulfate, and water. ... (05 Mar 2000) ...

emulsion
<pharmacology> A preparation of one liquid distributed in small globules throughout the body of a second liquid. ... The dispersed liquid is the discontinuous phase and the dispersion medium is the continuous phase. When oil is the dispersed liquid and an aqueous solution is the continuous phase, it is known as an oil in water emulsion, wherea …

emulsion colloid
Synonym for emulsoid ... A colloidal dispersion in which the dispersed particles are more or less liquid and exert a certain attraction on and absorb a certain quantity of the fluid in which they are suspended. ... Synonym: emulsion colloid, hydrophil colloid, hydrophilic colloid, lyophilic colloid. ... (05 Mar 2000) ...

emulsions
Colloids of two immiscible liquids where either phase may be either fatty or aqueous; lipid-in-water emulsions are usually liquid, like milk or lotion and water-in-lipid emulsions tend to be creams. ... (12 Dec 1998) ...

emulsoid
A colloidal dispersion in which the dispersed particles are more or less liquid and exert a certain attraction on and absorb a certain quantity of the fluid in which they are suspended. ... Synonym: emulsion colloid, hydrophil colloid, hydrophilic colloid, lyophilic colloid. ... (05 Mar 2000) ...

emunctory
Origin: L. Emunctorium a pair of snuffers, fr. Emungere, emunctum, to blow the nose, hence, to wipe, cleanse; e out + mungere to blow the nose: cf. F. Emonctoire, formerly spelled also emonctoire. ... <physiology> Any organ or part of the body (as the kidneys, skin, etc,) which serves to carry off excrementitious or waste matter. ... Source: We …

emuresis
A condition in which urinary excretion and intake of water act to produce an absolute hydration of the body. ... See: ecuresis. ... Origin: G. En (em), in, + ouresis, urination ... (05 Mar 2000) ...

emylcamate
1-Ethyl-1-methylpropyl carbamate;a mild sedative, used to control tension and anxiety and to relieve pain and muscular spasm. ... (05 Mar 2000) ...

en bloc
In a lump; as a whole; used to refer to autopsy techniques in which visceral organs are removed in large blocks allowing the prosector to retain a continuity in organ architecture during the subsequent dissection. ... Origin: Fr., in a lump ... (05 Mar 2000) ...

en grappe
Denoting the grapelike cluster arrangement of microconidia of certain dermatophytes. ... Origin: Fr. En, in, + grappe, bunch of grapes ... (05 Mar 2000) ...

en thyrse
Microconidia of certain dermatophytes arranged singly along both sides of a hypha. ... Origin: Fr., fr. G. En-, in, + thyrsos, a stalk, wand ... (05 Mar 2000) ...

en-
1. <prefix> A prefix signifying in or into, used in many English words, chiefly those borrowed from the French. Some English words are written indifferently with en- or in-. For ease of pronunciation it is commonly changed to em- before p, b, and m, as in employ, embody, emmew. It is sometimes used to give a causal force, as in enable, enfeeb …

enacyloxin oxidase
<enzyme> A quinoprotein oxidase which converts the antibiotic enacyloxin iva to enacyloxin IIa by oxidation of the 15' oh to =o ... Registry number: EC 1.1.99.- ... Synonym: enx oxidase ... (26 Jun 1999) ...

enaemiasis
The use of enemas. ... (05 Mar 2000) ...

enalapril
<chemical> Orally active inhibitor of kininase II. It controls essential and renal hypertension, improves glomerular filtration rate and effective renal blood flow, and decreases renal vascular resistance without producing adverse effects on salt and water excretion or body fluid composition. ... Pharmacological action: angiotensin-converting …

enalapril maleate
L-Proline, 1-[N-[1-(ethoxycarbonyl)-3-phenylpropyl]-l-alanyl]-,(S)-, (Z)-2-butenedioate (1:1);a prodrug for enalaprilat, an angiotensin-converting enzyme inhibitor used as an anti-hypertensive agent. ... (05 Mar 2000) ...

enalaprilat
<chemical> (s)-1-(n-(1-carboxy-3-phenylpropyl)-l-alanyl)-l-proline dihydrate. The active metabolite of enalapril and a potent intravenously administered angiotensin-converting enzyme inhibitor. It is an effective agent for the treatment of essential hypertension and has beneficial haemodynamic effects in heart failure. The drug produces renal …

enamel
<dentistry> A hard ceramic which covers the exposed part of your teeth. ... (08 Jan 1998) ...

enamel cap
The enamel covering the crown of a tooth. ... (05 Mar 2000) ...

enamel cell
Synonym for ameloblast ... <cell biology> Columnar epithelial cells that secrete the enamel layer of teeth in mammals. Their apical surfaces are tapering Tomes processes) and are embedded within the enamel matrix. ... (18 Nov 1997) ...

enamel cleavage
The splitting of enamel in a plane parallel to the direction of the enamel rods. ... (05 Mar 2000) ...

enamel cleaver
An instrument with a heavy shank and a very short blade at about 90° to the axis of the handle; used with a hoeing motion to strip enamel from the axial surfaces of a tooth in preparation for a crown. ... (05 Mar 2000) ...

enamel cuticle
The primary enamel cuticle, consisting of two extremely thin layers (the inner one clear and structureless, the outer one cellular), covering the entire crown of newly erupted teeth and subsequently abraded by mastication; it is evident microscopically as an amorphous material between the attachment epithelium and the tooth. ... Synonym: cuticula de …

enamel drop
Synonym for enameloma ... A developmental anomaly in which there is a small nodule of enamel below the cementoenamel junction, usually at the bifurcation of molar teeth. ... Synonym: enamel drop, enamel nodule, enamel pearl. ... (05 Mar 2000) ...

enamel dysplasia
Synonym for amelogenesis imperfecta ... An autosomal dominant or x-linked disorder in which there is faulty development of the dental enamel owing to agenesis, hypoplasia, or hypocalcification of the enamel. It is marked by enamel that is very thin and friable and frequently stained in various shades of brown. ... (12 Dec 1998) ...

enamel epithelium
The several layers of the enamel organ remaining on the enamel surface after formation of enamel is completed. ... Synonym: reduced enamel epithelium. ... (05 Mar 2000) ...

enamel fibres
Synonym for prismata adamantina ... The calcified, microscopic rods radiating from the surface of the dentin, forming the substance of the enamel of a tooth. ... Synonym: enamel fibres, enamel prisms, enamel rods. ... (05 Mar 2000) ...

enamel fissure
A deep cleft between adjoining cusps affording retention to caries-producing agents. ... (05 Mar 2000) ...

enamel germ
The enamel organ of a developing tooth; one of a series of knoblike projections from the dental lamina, later becoming bell-shaped and receiving in its hollow the dental papilla. ... Reserve tooth germ, enamel organ and papilla of a permanent tooth. ... Tooth germ, the enamel organ and dentin papilla, constituting the developing tooth. ... Synonym: de …

enamel hypocalcification
A defect of enamel maturation, exacerbated by local, systemic, or hereditary factors, and characterised by low mineral content. A variety of amelogenesis imperfecta. ... (05 Mar 2000) ...

enamel hypoplasia
A developmental disturbance of teeth characterised by deficient or defective enamel matrix formation; may be hereditary, as in amelogenesis imperfecta, or acquired, as encountered in dental fluorosis, local infection, childhood fevers, and congenital syphilis. ... (05 Mar 2000) ...

enamel lamella
An organic defect in enamel; a thin, leaflike structure that extends from the enamel surface toward the dentinoenamel junction. ... (05 Mar 2000) ...

enamel layer
Synonym for ameloblastic layer ... The internal layer of the enamel organ. ... Synonym: enamel layer. ... (05 Mar 2000) ...

enamel ledge
dental ledge ...

enamel membrane
The internal layer of the enamel organ formed by the enamel cells. ... (05 Mar 2000) ...

enamel microabrasion
Mechanical removal of a small amount of tooth structure (not more than a few tenths of a millimeter in depth) to eliminate superficial enamel discoloration defects not successfully removed by bleaching techniques. A common abrasive is a mixture of pumice and hydrochloric acid. ... (12 Dec 1998) ...

enamel niche
enamel crypt ...

enamel nodule
Synonym for enameloma ... A developmental anomaly in which there is a small nodule of enamel below the cementoenamel junction, usually at the bifurcation of molar teeth. ... Synonym: enamel drop, enamel nodule, enamel pearl. ... (05 Mar 2000) ...

enamel organ
Epithelial cells surrounding the dental papilla and differentiated into three layers: the inner enamel epithelium, consisting of ameloblasts which eventually form the enamel, and the enamel pulp and external enamel epithelium, both of which atrophy and disappear before and upon eruption of the tooth, respectively. ... (12 Dec 1998) ...

enamel pearl
Synonym for enameloma ... A developmental anomaly in which there is a small nodule of enamel below the cementoenamel junction, usually at the bifurcation of molar teeth. ... Synonym: enamel drop, enamel nodule, enamel pearl. ... (05 Mar 2000) ...

enamel prisms
Synonym for prismata adamantina ... The calcified, microscopic rods radiating from the surface of the dentin, forming the substance of the enamel of a tooth. ... Synonym: enamel fibres, enamel prisms, enamel rods. ... (05 Mar 2000) ...

enamel projection
Extension of enamel into furcation. ... (05 Mar 2000) ...

enamel pulp
A layer of stellate cells in the enamel organ. ... (05 Mar 2000) ...

enamel rod inclination
The direction of the enamel rods with reference to the outer surface of the enamel of a tooth. ... (05 Mar 2000) ...

enamel rod sheath
Organic covering of the individual enamel rod. ... (05 Mar 2000) ...

enamel rods
Synonym for prismata adamantina ... The calcified, microscopic rods radiating from the surface of the dentin, forming the substance of the enamel of a tooth. ... Synonym: enamel fibres, enamel prisms, enamel rods. ... (05 Mar 2000) ...

enamel tuft
A group of structures representing defects in tooth mineralization that extend from the dentino-enamel junction into the enamel to about one-half its thickness. ... (05 Mar 2000) ...

enamel wall
In dentistry, the part of the wall of a cavity consisting of enamel. ... (05 Mar 2000) ...

enameloblast
Synonym for ameloblast ... <cell biology> Columnar epithelial cells that secrete the enamel layer of teeth in mammals. Their apical surfaces are tapering Tomes processes) and are embedded within the enamel matrix. ... (18 Nov 1997) ...

enamelogenesis
Synonym: amelogenesis. ... (05 Mar 2000) ...

enamelogenesis imperfecta
Synonym for amelogenesis imperfecta ... An autosomal dominant or x-linked disorder in which there is faulty development of the dental enamel owing to agenesis, hypoplasia, or hypocalcification of the enamel. It is marked by enamel that is very thin and friable and frequently stained in various shades of brown. ... (12 Dec 1998) ...

enameloma
A developmental anomaly in which there is a small nodule of enamel below the cementoenamel junction, usually at the bifurcation of molar teeth. ... Synonym: enamel drop, enamel nodule, enamel pearl. ... (05 Mar 2000) ...

enamelum
Synonym for enamel ... <dentistry> A hard ceramic which covers the exposed part of your teeth. ... (08 Jan 1998) ...

enanthal
Synonym for heptanal ... CH3(CH2)5CHO; heptaldehyde;obtained from the ricinoleic acid of castor oil by chemical means; used in the manufacture of ethyl oenanthate, a constituent of many artificial essences (flavors). ... Synonym: enanthal, oenanthal. ... (05 Mar 2000) ...

enanthate
USAN-approved contraction for heptanoate, CH3(CH2)5COO-. ... (05 Mar 2000) ...

enanthem
Enanthema ... A mucous membrane eruption, especially one occurring in connection with one of the exanthemas. ... Origin: G. En, in, + anthema, bloom, eruption, fr. Antheo, to bloom ... (05 Mar 2000) ...

enanthema
<dermatology> An eruption upon a mucous surface. ... Origin: Gr. Anthema = a blossoming ... (13 Nov 1997) ...

enanthematous
Relating to an enanthem. ... (05 Mar 2000) ...

enanthesis
The skin eruption of a general disease, such as scarlatina or typhoid fever. ... Origin: G. En, in, + anthesis, full bloom ... (05 Mar 2000) ...

enantio-
Combining form meaning opposite, opposed, or opposing. ... Origin: G. Enantios, opposite ... (05 Mar 2000) ...

enantiomer
<chemistry> A pair of chiral isomers (stereoisomers) that are direct, nonsuperimposable mirror images of each other. ... (09 Jan 1998) ...

enantiomeric
Pertaining to enantiomerism. ... (05 Mar 2000) ...

enantiomerism
In chemistry, isomerism in which the molecules in their configuration are related to one another like an object and its mirror image (enantiomers), and consequently are not superimposable; enantiomerism entails optical activity, both enantiomers rotating the plane of polarised light equally, but in opposite directions. ... (05 Mar 2000) ...

enantiomorph
An enantiomer in crystal form. ... (05 Mar 2000) ...

enantiomorphic
1. Relating to two objects, each of which is the mirror image of the other. ... 2. In chemistry, relating to isomers, the optical activities of which are equal in magnitude but opposite in sign. ... Synonym: enantiomorphous. ... Origin: enantio-+ G. Morphe, form ... (05 Mar 2000) ...

enantiomorphism
The relation of two objects similar in form but not superimposable, as the two hands or an object and its mirror image. ... Origin: enantio-+ G. Morphe, form ... (05 Mar 2000) ...

enarthrodial
Relating to an enarthrosis. ... (05 Mar 2000) ...

enarthrodial joint
Synonym for ball-and-socket joint ... A multiaxial synovial joint in which a more or less extensive sphere on the head of one bone fits into a rounded cavity in the other bone, as in the hip joint. ... Synonym: articulatio spheroidea, articulatio cotylica, cotyloid joint, enarthrodial joint, enarthrosis, socket joint, spheroid articulation, spheroid …

enation
An epidermal outgrowth. ... (09 Oct 1997) ...

enbucrilate
<chemical> 2-cyano-2-propenoic acid, butyl ester. A tissue adhesive that is applied as a monomer to moist tissue and polymerises to form a bond. It is slowly biodegradable and used in all kinds of surgery, including dental. ... Chemical name: 2-Propenoic acid, 2-cyano-, butyl ester ... (12 Dec 1998) ...

encainide
<chemical> (+-)-4-methoxy-n-(2-(2-(1-methyl-2-piperidinyl)ethyl)phenyl)- benzamide. An effective and generally well-tolerated anti-arrhythmia agent for suppressing all forms of ventricular arrhythmia. Paradoxically, however, in myocardial infarct patients with either symptomatic or asymptomatic arrhythmia, encainide exacerbates the arrhythmia …

encainide hydrochloride
Benzamide, 4-methoxy-N-[2-[2-(1-methyl-2-piperidinyl)ethyl]phenyl]-, monohydrochloride, (&plusmn;)-;an anti-arrhythmic. ... (05 Mar 2000) ...

encampment
1. The act of pitching tents or forming huts, as by an army or traveling company, for temporary lodging or rest. ... 2. The place where an army or a company is encamped; a camp; tents pitched or huts erected for temporary lodgings. 'A square of about seven hundred yards was sufficient for the encampment of twenty thousand Romans.' (Gibbon) 'A green …

encapsulated
Refers to a tumour that is wholly confined to a specific area, surrounded by a capsule. Localised. ... (16 Dec 1997) ...

encapsulated delusion
A delusion that usually relates to one specific topic or belief but does not pervade an individual's life or level of functioning. ... (05 Mar 2000) ...

encapsulation
The coating or engulfing of particles within a continuous matrix. ... (09 Oct 1997) ...

encapsuled
Synonym for encapsulated ... Refers to a tumour that is wholly confined to a specific area, surrounded by a capsule. Localised. ... (16 Dec 1997) ...

encarditis
Synonym for endocarditis ... <pathology> Exudative and proliferative inflammatory alterations of the endocardium, characterised by the presence of vegetations on the surface of the endocardium or in the endocardium itself and most commonly involving a heart valve, but sometimes affecting the inner lining of the cardiac chambers or the endocard …

encatarrhaphy
An obsolete term for the artificial implantation of an organ or tissue in a part where it does not naturally occur. ... Origin: G. Enkatarrhapto, to sew in ... (05 Mar 2000) ...

encelitis
Enceliitis ... Inflammation of any of the abdominal viscera. ... Origin: G. En, in, + koilia, belly, + -itis, inflammation ... (05 Mar 2000) ...

encephal-
See: encephalo-. ... (05 Mar 2000) ...

encephalaemia
Synonym: brain congestion. ... Origin: encephalo-+ G. Haima, blood ... (05 Mar 2000) ...

encephalalgia
Synonym: headache. ... Origin: encephalo-+ G. Algos, pain ... (05 Mar 2000) ...

encephalatrophic
Relating to encephalatrophy. ... (05 Mar 2000) ...

encephalatrophy
Atrophy of the brain. ... Origin: encephalo-+ G. A-priv. + trophe, nourishment ... (05 Mar 2000) ...

encephalauxe
Hypertrophy of the brain. ... Origin: encephalo-+ G. Auxe, increase ... (05 Mar 2000) ...

encephale isole
An animal with its caudal medulla transected and its respiration maintained artificially; it remains alert, has sleep-wake cycles, normal pupillary reactions, and a normal electroencephalogram. ... Compare: cerveau isole. ... Origin: Fr. Isolated brain ... (05 Mar 2000) ...