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

Ellsworth-Howard test
Measurement of serum and urinary phosphorus after intravenous administration of parathyroid extract; used in the diagnosis of pseudohypoparathyroidism. ... (05 Mar 2000) ...

Ellsworth, Read McLane
<person> U.S. Physician, 1899-1970. ... See: Ellsworth-Howard test. ... (05 Mar 2000) ...

elm
<botany> A tree of the genus Ulmus, of several species, much used as a shade tree, particularly in America. The English elm is Ulmus campestris; the common American or white elm is U. Americana; the slippery or red elm, U. Fulva. Elm beetle, a large sawfly (Cimbex Americana). The larva, which is white with a black dorsal stripe, feeds on the …

Eloesser procedure
Transposition of a tonguelike pedicled skin flap from the chest wall into the depths of an incision that communicates with an empyema or peripheral lung abscess; used to prevent scar closure of the tract to insure long-term mandatory dependent drainage. ... (05 Mar 2000) ...

Eloesser, Leo
<person> U.S. Thoracic surgeon, 1881-1976. ... See: Eloesser procedure. ... (05 Mar 2000) ...

elongation
<radiobiology> Parameter indicating the degree to which the cross-section of a toroidal plasma is non-circular. Kappa=b/a, where b and a are the vertical and horizontal minor radii. As kappa is increased, the confinement in relation to the total current improves, but the plasma also becomes more and more unstable to vertical displacements. A …

elongation factor
<biochemistry> Peptidyltransferase components of ribosomes that catalyse formation of the acyl bond between the incoming amino acid residue and the peptide chain. ... There are three classes of elongation factor: EF1_ (EF Tu in prokaryotes) binds GTP and aminoacyl tRNA, delivering it to the A site of ribosomes. EF 1_ (EF Ts) helps in regenerat …

elope
To run away, or escape privately, from the place or station to which one is bound by duty; said especially of a woman or a man, either married or unmarried, who runs away with a paramour or a sweetheart. 'Great numbers of them [the women] have eloped from their allegiance.' (Addison) ... Origin: D. Ontloopen to run away; pref. Ont- (akin to G. Ent-, …

eloquence
1. Fluent, forcible, elegant, and persuasive speech in public; the power of expressing strong emotions in striking and appropriate language either spoken or written, thereby producing conviction or persuasion. 'Eloquence is speaking out . . . Out of the abundance of the heart.' (Hare) ... 2. Whatever produces the effect of moving and persuasive spee …

Elschnig pearls
The proliferated anterior capsule of the lens of the eye after surgical capsulotomy or injury. ... (05 Mar 2000) ...

Elschnig, Anton
<person> German ophthalmologist, 1863-1939. ... See: Elschnig pearls, Elschnig's spots. ... (05 Mar 2000) ...

Elschnig's spots
Isolated choroidal bright yellow or red spot's with black pigment flecks at their borders, seen ophthalmoscopically in advanced hypertensive retinopathy. ... (05 Mar 2000) ...

eluant
<chemistry> The term for the fluid (such as a buffer solution) that is used in column chromatography to separate the components of a mixed sample.The fluid is run through the column and brings out the separated substances (separately). ... (09 Oct 1997) ...

eluate
<chemistry> The waste liquid produced during chromatography. ... (09 Oct 1997) ...

eluent
The mobile phase in chromatography. ... Synonym: developer, elutant. ... Origin: see elution ... (05 Mar 2000) ...

elusive ulcer
Synonym for Hunner's ulcer ... A focal and often multiple lesion involving all layers of the bladder wall in chronic interstitial cystitis; the surface epithelium is destroyed by inflammation and the initially pale lesion cracks and bleeds with distention of the bladder. ... Synonym: elusive ulcer, Fenwick-Hunner ulcer. ... (05 Mar 2000) ...

elutant
Synonym for eluent ... The mobile phase in chromatography. ... Synonym: developer, elutant. ... Origin: see elution ... (05 Mar 2000) ...

elute
To perform or accomplish an elution. ... Synonym: elutriate. ... (05 Mar 2000) ...

elution
1. The separation, by washing, of one solid from another. ... 2. The removal, by means of a suitable solvent, of one material from another that is insoluble in that solvent, as in column chromatography. ... 3. The removal of antibodies absorbed onto the erythrocyte surface. ... Synonym: elutriation. ... Origin: L. E-luo, pp. Lutus, to wash out ... (05 M …

elution profile
<chemistry> A graph made to show how much material is being carried out of the column by the eluant in column chromatography over time. The graph will show a number of different peaks, each peak represents a different separated material from the original mixed substance. ... (09 Oct 1997) ...

elution volume
<chemistry> The amount of eluant which has passed through the column in column chromatography before a particular peak in an elution profile appears, or before a specific substance of interest comes out with the eluant, separated out of the original mixed substance. ... (09 Oct 1997) ...

elutriation
<ecology> Separation of particles on the basis of their differential sedimentation rate. ... (18 Nov 1997) ...

elytro-
An obsolete combining form meaning the vagina. ... See: colpo-, vagino-. ... Origin: G. Elytron, sheath (vagina) ... (05 Mar 2000) ...

elytrum
<zoology> One of the anterior pair of wings in the Coleoptera and some other insects, when they are thick and serve only as a protection for the posterior pair. ... One of the shieldlike dorsal scales of certain annelids. ... See: Coleoptera. ... Origin: NL, fr. Gr, fr. To roll round. ... (26 Mar 1998) ...

EM
Electron microscopy. Or electron microscopy. Viral particles may be detectable by EM. ... (12 Dec 1998) ...

EMA
electron-probe microanalyser ...

emaciated
<clinical sign> Extremely thin or physically wasted. ... (09 Oct 1997) ...

emaciation
Excessive leanness; a wasted condition of the body. ... (12 Dec 1998) ...

emaculation
Removal of spots or other blemishes from the skin. ... Origin: L. Emaculo, pp. -atus, to clear from spots, fr. E-, out, + macula, spot ... (05 Mar 2000) ...

emanation
1. Any substance that flows out or is emitted from a source or origin. ... 2. The radiation from a radioactive element. ... Origin: L. E-mano, pp. -atus, to flow out ... Actinium emanation, radon-219. ... Radium emanation, radon-222. ... Thorium emanation, radon-220. ... See: emanon. ... (05 Mar 2000) ...

emanatorium
An institution where, formerly, radiation treatment now considered dangerous (using radioactive waters and the inhalation of radium emanations) was administered. ... (05 Mar 2000) ...

emancipation
In embryology, delimitation of a specific area in an organ-forming field, giving definite shape and limits to the organ primordium. ... (05 Mar 2000) ...

emanon
Archaic term once used to denote all radon isotopes collectively, when the term radon was restricted to the isotope radon-222, the naturally occurring intermediate of the uranium-238 radioactive series; so called because original names for radon-219, radon-220, and radon-222 were, respectively, 'actinium emanation,' 'thorium emanation,' and 'radium …

emanotherapy
An obsolete treatment of various diseases by means of radium emanation (radon), or other emanation. ... (05 Mar 2000) ...

emarginate
Having a broad, shallow notch at the top. ... (09 Oct 1997) ...

emargination
Synonym for Notch ... <molecular biology> A neurogenic gene of Drosophila. The normal function of Notch is required in ectodermal cells to prevent the cells from differentiating as neuroblasts. Gene product contains 36 repeats of the EGF like domain. ... (13 Nov 1997) ...

emasculate
1. To deprive of virile or procreative power; to castrate power; to castrate; to geld. ... 2. To deprive of masculine vigor or spirit; to weaken; to render effeminate; to vitiate by unmanly softness. 'Luxury had not emasculated their minds.' (V. Knox) ... Origin: L. Emasculare; e + masculus male, masculine. See Male masculine. ... Source: Websters Dic …

emasculation
Castration of the male by removal of the testis and/or penis. ... Synonym: eviration. ... Origin: L. Emasculo, pp. -atus, to castrate, fr. E-priv. + masculus, masculine ... (05 Mar 2000) ...

EMB
<abbreviation> Eosin-methylene blue. ... See: eosin-methylene blue agar. ... (05 Mar 2000) ...

EMB agar
Synonym for eosin-methylene blue agar ... Agar composed of peptone, lactose, and sucrose and containing eosin and methylene blue, used to distinguish between lactose-fermenting and non-lactose-fermenting Gram-negative bacteria. ... Synonym: EMB agar. ... (05 Mar 2000) ...

emb protein-tyrosine kinase
<enzyme> Isolated from murine mast cells ... Registry number: EC 2.7.1- ... Synonym: emb ptk ... (26 Jun 1999) ...

Embadomonas
Old name for Retortamonas. ... Origin: G. Embadon, surface, + monas, unit, monad ... (05 Mar 2000) ...

embalm
1. To anoint all over with balm; especially, to preserve from decay by means of balm or other aromatic oils, or spices; to fill or impregnate (a dead body), with aromatics and drugs that it may resist putrefaction. 'Joseph commanded his servants, the physicians, to embalm is father; and the physicians embalmed Israel.' (Gem. L. 2) ... 2. To fill or …

embalming
Process of preserving a dead body to protect it from decay. ... (12 Dec 1998) ...

Embden ester
Hexose phosphate;a mixture of d-glucose-6-phosphate and d-fructose 6-phosphate; significant in the understanding of sugar metabolism. ... (05 Mar 2000) ...

Embden-Meyerhof pathway
The main pathway for anerobic degradation of carbohydrate. Starch or glycogen is hydrolysed to glucose 1 phosphate and then through a series of intermediates, yielding two ATP molecules per glucose and producing either pyruvate which feeds into the tricarboxylic acid cycle) or lactate. ... (18 Nov 1997) ...

Embden-Meyerhof-Parnas pathway
A pathway that degrades glucose to pyruvate, the six-carbon stage converts glucose to fructose-1,6-bisphosphate, and the three-carbon stage produces ATP while changing glyceraldehyde-3-phosphate to pyruvate. ... Compare: Entner-Doudoroff pathway. ... (09 Oct 1997) ...

Embden, Gustav
<person> German biochemist, 1874-1933. ... See: Embden ester, Robison-Embden ester, Embden-Meyerhof pathway, Embden-Meyerhof-Parnas pathway. ... (05 Mar 2000) ...

embed
To surround a pathological or histological specimen with a firm and sometimes hard medium such as paraffin, wax, celloidin, or a resin, in order to make possible the cutting of thin sections for microscopic examination. ... Synonym: imbed. ... (05 Mar 2000) ...

embedding
<technique> Tissue is embedded in wax or plastic in order to prepare sections for microscopical examination. The embedding medium provides mechanical support. ... (18 Nov 1997) ...

embedding agents
Materials such as celloidin, paraffin, etc. In which specimens of tissue are set before being cut into sections for microscopic examination. ... (05 Mar 2000) ...

embelin
2,5-Dihydroxy-3-undecyl-p-benzoquinone;the active principle from the dried fruit of Embelia ribes and E. Robusta (family Myrsinaceae); has been used as a teniacide. ... (05 Mar 2000) ...

ember
Making a circuit of the year of the seasons; recurring in each quarter of the year; as, ember fasts. Ember days, days set apart for fasting and prayer in each of the four seasons of the year. The Council of Placentia [A. D. 1095] appointed for ember days the Wednesday, Friday, and Saturday after the first Sunday in Lent, Whitsuntide, the 14th of Se …

emblaze
1. To adorn with glittering embellishments. 'No weeping orphan saw his father's stores Our shrines irradiate, or emblaze the floors.' (Pope) ... 2. To paint or adorn with armorial figures; to blazon, or emblazon. 'The imperial ensign, . . . Streaming to the wind, With gems and golden luster rich emblazed.' (Milton) ... Origin: Pref. Em- + 1st blaze.< …

emblems and insignia
Figures or symbols identifying or representing organizations or societies. ... (12 Dec 1998) ...

embolaemia
The presence of emboli in the circulating blood. ... Origin: G. Embolos, a plug (embolus), + haima, blood ... (05 Mar 2000) ...

embolalia
Synonym for embololalia ... Interjection of meaningless words into a sentence when speaking. ... Synonym: embolalia, embolophasia, embolophrasia. ... Origin: G. Embolos, something thrown in, fr. Emballo, to throw in, + lalia, speaking ... (05 Mar 2000) ...

embole
1. Reduction of a limb dislocation. ... Synonym: embolia. ... 2. Formation of the gastrula by invagination. ... Synonym: emboly. ... Origin: G. Embole, insertion ... (05 Mar 2000) ...

embolectomy
<procedure> Surgical removal of an obstructing clot or foreign material which has been transported from a distant vessel by the bloodstream. Removal of a clot at its original site is called thrombectomy. ... (12 Dec 1998) ...

emboli
<cardiology> Material, usually blood clot but may be fat, bone fragment, nitrogen bubble or bullet), that travels through the circulation, eventually obstructing blood flow through a smaller calibre vessel (for example stroke, pulmonary embolism, central retinal artery occlusion). ... (27 Sep 1997) ...

embolia
Synonym for embole ... 1. Reduction of a limb dislocation. ... Synonym: embolia. ... 2. Formation of the gastrula by invagination. ... Synonym: emboly. ... Origin: G. Embole, insertion ... (05 Mar 2000) ...

embolic abscess
An abscess arising at the point of arrest of a septic embolus. ... (05 Mar 2000) ...

embolic gangrene
Gangrene resulting from obstruction of an artery by an embolus. ... (05 Mar 2000) ...

embolic infarct
An infarct caused by an embolus. ... (05 Mar 2000) ...

embolic pneumonia
Infarction following embolization of a pulmonary artery or arteries. ... (05 Mar 2000) ...

emboliform
Shaped like an embolus. ... Origin: G. Embolos, plug (embolus), + L. Forma, form ... (05 Mar 2000) ...

emboliform nucleus
A small wedge-shaped nucleus in the central white substance of the cerebellum just internal to the hilus of the dentate nucleus; receives axons of Purkinje cells of the intermediate area of the cerebellar cortex; axons of these cells exit the cerebellum via the superior cerebellar peduncle. ... Synonym: nucleus emboliformis, embolus. ... (05 Mar 2000 …

embolisation
<cardiology> The process by which a vessel is occluded with a circulating material mass (for example blood clot). ... See: embolism. ... (27 Sep 1997) ...

embolism
<cardiology, physiology> The sudden blocking of an artery by a clot or foreign material which has been brought to its site of lodgment by the blood current. ... Origin: L. Embolismus, from Gr. Ballein = to throw ... (18 Nov 1997) ...

embolism and thrombosis
A collective term for diseases characterised by the formation, development, or presence of a thrombus (thrombosis) and the blocking of a vessel by the thrombus brought to its site by the blood current (embolism). ... (12 Dec 1998) ...

embolism, air
Embolism due to air bubbles entering the blood vessels after trauma, surgical procedures, or changes in atmospheric pressure. ... (12 Dec 1998) ...

embolism, amniotic fluid
Embolism caused by strong uterine contractions near the end of a normal pregnancy that force amniotic fluid into the maternal circulation. ... (12 Dec 1998) ...

embolism, cholesterol
An embolism of lipid debris from an ulcerated atheromatous deposit, generally from a large artery to small arterial branches. It is usually small and rarely causes infarction. ... (12 Dec 1998) ...

embolism, crossed
See Embolism, paradoxical. ... (12 Dec 1998) ...

embolism, fat
Embolism caused by fat entering the circulation. It is often seen after fractures of large bones or after corticosteriod administration. ... (12 Dec 1998) ...

embolism, paradoxical
Passage of a clot (thrombus) from a vein to an artery. When clots in veins break off (embolise) , they travel first to the right side of the heart and, normally, then to the lungs where they lodge. The lungs act as a filter to prevent the clots from entering the arterial circulation. However, when there is a hole in the wall between the two upper c …

embolization
A treatment that clogs small blood vessels and blocks the flow of blood, such as to a tumour. ... (12 Dec 1998) ...

embolization, therapeutic
A method of haemostasis utilizing various agents such as gelfoam, silastic, metal, glass, or plastic pellets, autologous clot, fat, and muscle as emboli. It has been used in the treatment of spinal cord and cerebral arteriovenous malformations, renal arteriovenous fistulas, gastrointestinal bleeding, epistaxis, hypersplenism, certain highly vascula …

embololalia
Interjection of meaningless words into a sentence when speaking. ... Synonym: embolalia, embolophasia, embolophrasia. ... Origin: G. Embolos, something thrown in, fr. Emballo, to throw in, + lalia, speaking ... (05 Mar 2000) ...

embolomycotic
Relating to or caused by an infective embolus. ... Origin: G. Embolos, a plug (embolus), + mykes, fungus ... (05 Mar 2000) ...

embolomycotic aneurysm
An obsolete term for an aneurysm caused by an embolism composed of an infected vegetation from a cardiac valve. ... (05 Mar 2000) ...

embolophasia
Synonym: embololalia. ... Origin: G. Embolos, something thrown in, + phasis, a saying ... (05 Mar 2000) ...

embolophrasia
Synonym: embololalia. ... Origin: G. Embolos, something thrown in, + phrasis, phrase ... (05 Mar 2000) ...

embolotherapy
Occlusion of arteries by insertion of blood clots, Gelfoam, coils, balloons, etc., with an angiographic catheter; used for control of inoperable haemorrhage or preoperative management of highly vascular neoplasms. ... Origin: G. Embolos, plug, + therapeia, medical treatment ... (05 Mar 2000) ...

embolus
A clot formed by platelets or leucocytes that blocks a blood vessel. ... (18 Nov 1997) ...

embosom
1. To take into, or place in, the bosom; to cherish; to foster. 'Glad to embosom his affection.' (Spenser) ... 2. To inclose or surround; to shelter closely; to place in the midst of something. 'His house embosomed in the grove.' (Pope) 'Some tender flower . . . . Embosomed in the greenest glade.' (Keble) ... Origin: Written also imbosom. ... Source: …

emboss
To make to foam at the mouth, like a hunted animal. ... Origin: Etymology uncertain. ... 1. To hide or conceal in a thicket; to imbosk; to inclose, shelter, or shroud in a wood. 'In the Arabian woods embossed.' (Milton) ... 2. To surround; to ensheath; to immerse; to beset. 'A knight her met in mighty arms embossed.' (Spenser) ... Origin: Cf. Pr. & …

embouchement
The opening of one blood vessel into another. ... Origin: Fr. ... (05 Mar 2000) ...

embrasure
1. A splay of a door or window. 'Apart, in the twilight gloom of a window's embrasure, Sat the lovers.' (Longfellow) ... 2. An aperture with slant sides in a wall or parapet, through which cannon are pointed and discharged; a crenelle. ... Origin: F, fr. Embraser, perh. Equiv. To ebraser to widen an opening; of unknown origin. ... Source: Websters Dic …

embryatrics
Rarely used term for fetology. ... Origin: embryo-+ G. Iatros, physician ... (05 Mar 2000) ...

embryo
<embryology, gynaecology> In animals, those derivatives of the fertilized ovum that eventually become the offspring, during their period of most rapid development, i.e., after the long axis appears until all major structures are represented. ... In man, the developing organism is an embryo from about two weeks after fertilization to the end of …

embryo resorption
Death and resorption of the embryo that takes place at any developmental stage after ovum implantation and before the completion of organogenesis. does not include foetal resorption. ... (12 Dec 1998) ...

embryo technology
Refers to the manipulation of mammalian embryos, for example, cloning, embryo splitting, in vitro fertilization, artificial insemination, gamete and embryo storage. ... (14 Nov 1997) ...

embryo transfer
The placement of a laboratory-fertilized egg into the uterus. ... (09 Oct 1997) ...

embryo, nonmammalian
The embryo of species other than mammals. For the chicken, use the specific chick embryo. ... (12 Dec 1998) ...

embryoblast
The cells at the embryonic pole of the blastocyst concerned with formation of the body of the embryo per se. ... Synonym: inner cell mass. ... Origin: embryo-+ G. Blastos, germ ... (05 Mar 2000) ...

embryocardia
A condition in which the cadence of the heart sounds resembles that of the foetus, the first and second sounds becoming alike and evenly spaced; a sign of serious myocardial disease. ... Synonym: pendulum rhythm, tic-tac rhythm, tic-tac sounds. ... Origin: embryo-+ G. Kardia, heart ... (05 Mar 2000) ...

embryogenesis
The processes leading to the development of an embryo from egg to completion of the embryonic stage. ... (18 Nov 1997) ...

embryoid
Synonym for embryonoid ... Resembling an embryo or a foetus. ... Synonym: embryoid, embryoniform. ... Origin: embryo-+ G. Eidos, appearance ... (05 Mar 2000) ...

embryologist
A specialist in embryo development. ... (09 Oct 1997) ...