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

ergocornine
C31H39N5O5;an alkaloid isolated from ergot. ... (05 Mar 2000) ...

ergocristine
C35H39N5O5;an alkaloid isolated from ergot. ... (05 Mar 2000) ...

ergocryptine
C32H41N5O5;an alkaloid isolated from ergot. ... (05 Mar 2000) ...

ergodic
<radiobiology> A mathematical term meaning space-filling. If a magnetic field is ergodic, any field line will eventually pass arbitrarily close to any point in space. Closely related to chaotic. ... (09 Oct 1997) ...

ergodic regime
<radiobiology> In this regime, a given magnetic field line will cover every single point on a magnetic surface (see magnetic surface or flux surface) if the rotational transform (or q) is not rational. ... (09 Oct 1997) ...

ergodynamograph
An instrument for recording both the degree of muscular force and the amount of the work accomplished by muscular contraction. ... Origin: ergo-+ G. Dynamis, force, + grapho, to write ... (05 Mar 2000) ...

ergoesthesiograph
An apparatus for recording graphically muscular aptness as shown in the ability to counterbalance variable resistances. ... Origin: ergo-+ G. Aisthesis, sensation, + grapho, to record ... (05 Mar 2000) ...

ergogenic
Tending to increase work. ... (05 Mar 2000) ...

ergograph
An instrument for recording the amount of work done by muscular contractions, or the amplitude of contraction. ... Origin: ergo-+ G. Grapho, to write ... Mosso's ergograph, an instrument consisting of pulleys, weights, and a recording lever, which is used to obtain a graphic record of flexion of a finger, hand, or arm. ... (05 Mar 2000) ...

ergographic
Relating to the ergograph and the record made by it. ... (05 Mar 2000) ...

ergolines
A class of drugs with prominent agonistic or antagonistic actions on dopamine receptors. Agents belonging to this group include bromocriptine, pergolide, and lisuride. ... (05 Mar 2000) ...

ergoloid mesylates
<chemical> Dihydroergotoxine monomethanesulfonate. A mixture of the mesylates of dihydroergocornine, dihydroergocristine, and the alpha- and beta-isomers of dihydroergocryptine. The substance produces a generalised peripheral vasodilation and a fall in arterial pressure and has been used to treat symptoms of mild to moderate impairment of men …

ergometer
Synonym: dynamometer. ... Origin: ergo-+ G. Metron, measure ... (05 Mar 2000) ...

ergometrine
Synonym: ergonovine. ... (05 Mar 2000) ...

ergometrine maleate
ergonovine maleate ...

ergometry
Any method of measuring the amount of work done by an organism, usually during exertion. Ergometry also includes measures of power. Some instruments used in these determinations include the hand crank and the bicycle ergometer. ... (12 Dec 1998) ...

ergon
<unit> A unit used to measure or represent the stability of a gene over the lifetime of a given organism. It is a function of the ratio of the adenine-thymine to the guanine-cytosine content of the gene, and is evidenced by the continual physical expression of the trait coded by the gene. ... (11 Nov 1997) ...

ergonomics
A branch of ecology concerned with human factors in the design and operations of machines and the physical environment. ... Origin: ergo-+ G. Nomos, law ... (05 Mar 2000) ...

ergonovine
<chemical> A water soluble alkaloid, from ergot or produced synthetically. It is used as an oxytoxic and to relieve migraine headache. ... Pharmacological action: oxytocics. ... Chemical name: Ergoline-8-carboxamide, 9,10-didehydro-N-(2-hydroxy-1-methylethyl)-6-methyl-, (8beta(S))- ... (12 Dec 1998) ...

ergosine
An alkaloid from ergot with actions similar to those of ergotamine. ... (05 Mar 2000) ...

ergostat
A form of machine for exercising the muscles. ... Origin: ergo-+ G. Statos, standing, placed ... (05 Mar 2000) ...

ergosterin
Synonym for ergosterol ... <chemical> Chemical name: Ergosta-5,7,22-trien-3-ol, (3beta,22E)- ... (12 Dec 1998) ...

ergosterol
<chemical> Chemical name: Ergosta-5,7,22-trien-3-ol, (3beta,22E)- ... (12 Dec 1998) ...

ergosterol acyltransferase
<enzyme> From saccharomyces cerevisiae; catalyses the esterification of ergosterol ... Registry number: EC 2.3.1.- ... Synonym: acyl CoA-ergosterol acyltransferase, acyl coenzyme a-ergosterol acyltransferase ... (26 Jun 1999) ...

ergostetrine
Synonym for ergonovine ... <chemical> A water soluble alkaloid, from ergot or produced synthetically. It is used as an oxytoxic and to relieve migraine headache. ... Pharmacological action: oxytocics. ... Chemical name: Ergoline-8-carboxamide, 9,10-didehydro-N-(2-hydroxy-1-methylethyl)-6-methyl-, (8beta(S))- ... (12 Dec 1998) ...

ergot
<botany> A disease of cereal plants (rye, wheat, etc.) caused by the fungus Claviceps purpurea, this fungus produces toxic alkaloids that, if ingested, cause symptoms such as hallucinations, severe gastrointestinal upset, a burning sensation in the limbs and extremities (St. Anthony's Fire) and a form of gangrene. ... (09 Oct 1997) ...

ergot alkaloids
Alkaloids isolated from the ergot fungus claviceps purpurea (hypocreaceae). The ergot alkaloids were the first alpha-adrenergic antagonists discovered, but side effects generally prevent their administration in doses that would produce more than a minimal blockade in humans. Their smooth muscle-stimulating activities may be attributed to alpha-agon …

ergot poisoning
A syndrome brought on by the consumption of bread (notably rye) contaminated by the ergot fungus, Claviceps purpurea (rye smut), the source of numerous ergot alkaloids. The effects observed include peripheral vascular constriction leading to gangrene, partial paralysis with numbing, tingling and burning in the limbs, feeble pulse, restlessness, stu …

ergotamine
<chemical> A vasoconstrictor found in ergot of central europe. It is an alpha-1 selective adrenergic agonist and is commonly used in the treatment of migraine headaches. ... Pharmacological action: adrenergic alpha-agonists, analgesics, non-narcotic, vasoconstrictor agents. ... Chemical name: Ergotaman-3',6',18-trione, 12'-hydroxy-2'-methyl-5'- …

ergotamine derivatives
Analogs and derivatives of ergotamine. ... (12 Dec 1998) ...

ergotaminine
An isomer of ergotamine but practically inert. ... (05 Mar 2000) ...

ergotherapy
Treatment of disease by muscular exercise. ... Origin: G. Ergon, work, + therapeia, therapy ... (05 Mar 2000) ...

ergothioneine
<chemical> Chemical name: 1H-Imidazole-4-ethanaminium, alpha-carboxy-2,3-dihydro-N,N,N-trimethyl-2-thioxo-, inner salt, (S)- ... (12 Dec 1998) ...

ergotism
Chronic poisoning from excessive or misdirected use of ergot as a medicine or from eating ergotised grain, it is marked by cerebrospinal symptoms, spasms and cramps or by a kind of dry gangrene. ... Synonym: St. Anthony's Fire. ... (18 Nov 1997) ...

ergotoxine
A mixture of alkaloids obtained from ergot, consisting of 1:1:1 ergocristine, ergocornine and ergocryptine, more toxic than other natural and semisynthetic ergot alkaloids; a potent stimulant of smooth muscle, particularly of the blood vessels and uterus, and produces adrenergic blockade (chiefly of the alpha receptors). ... Synonym: ecboline. ... (0 …

ergotropic
The term introduced by W.R. Hess to denote those mechanisms and the functional status of the nervous system that favour the organism's capacity to expend energy, as distinguished from the trophotropic mechanisms promoting rest and reconstitution of energy stores. In general, the balance between ergotropic and trophotropic nervous mechanisms corresp …

Erichsen
Sir John, English surgeon, 1818-1896. ... See: Erichsen's sign. ... (05 Mar 2000) ...

Erichsen's sign
<clinical sign> In sacroiliac disease, pain is felt when sudden pressure approximates the iliac bones; this sign is not present in hip disease. ... (05 Mar 2000) ...

eriodictyon
The dried leaves of Eriodictyon californicum (family Hydrophyllaceae); the fluidextract and the syrup have been used as an expectorant and to mask the taste of bitter substances. ... Synonym: mountain balm, yerba santa. ... (05 Mar 2000) ...

erisophake
A surgical instrument designed to hold the lens by suction in cataract extraction; now seldom used. ... Origin: G. Erysis, a drawing, + phakos, lentil ... (05 Mar 2000) ...

eritrea
A country of eastern africa, west of the red sea. In ancient times, it formed a part of many kingdoms at different periods. Its capital is asmara. Under italian rule from 1869 to 1890 and under the british as a protectorate until 1952, it was federated with ethiopia in 1952 and was made one of its provinces in 1962. In 1991 eritrea was established …

ERKs
Synonym for MAP kinase ... Mitogen activated protein kinases. (ERKs: externally regulated kinases) Serine threonine kinases that are activated when quiescent cells are treated with mitogens and therefore potentially transmit signal for entry into cell cycle. One target is trancription factor p62TCF. MAP kinase itself can be phosphorylated by MAP kin …

Erlenmeyer
Emil, German chemist, 1825-1909. ... See: Erlenmeyer flask, Erlenmeyer flask deformity. ... (05 Mar 2000) ...

erlenmeyer flask
<apparatus> A piece of chemistry laboratory equipment, a container often made of glass, which has a narrow cylindrical mouth and a cone-shaped main body that ends in a wide, flat bottom. It may also have a smaller straight tube-shaped opening from the side of the cylindrical part, where tubes can be attached. ... (09 Oct 1997) ...

erlenmeyer flask deformity
<radiology> Abnormal modeling of metaphysis, osteopetrosis, chronic anaemia (e.g., SSD), Gaucher disease, Niemann-Pick disease, fibrous dysplasia, Pyle disease (metaphyseal dysplasia) ... (12 Dec 1998) ...

erlenmeyer flask mnemonic
<radiology> D: Down syndrome, A: achondroplasia, anaemias, M: metaphyseal dysplasia (Pyle disease), metals, N: Nieman-Pick disease, F: fibrous dysplasia, R: rheumatoid arthritis, rickets, O: osteopetrosis, G: Gaucher disease ... (12 Dec 1998) ...

ermGT methylase
<enzyme> An erythromycin resistance determinant with methylase activity; isolated from lactobacillus reuteri; 78% identical to ermc. ... Registry number: EC 2.1.1.- ... Synonym: ermgt gene product ... (26 Jun 1999) ...

ermine
1. <zoology> A valuable fur-bearing animal of the genus Mustela (M. Erminea), allied to the weasel; the stoat. It is found in the northern parts of Asia, Europe, and America. In summer it is brown, but in winter it becomes white, except the tip of the tail, which is always black. ... 2. The fur of the ermine, as prepared for ornamenting garmen …

erne
<ornithology> A sea eagle, especially. The European white-tailed sea eagle (Haliaeetus albicilla). ... Origin: AS. Earn eagle; akin to D. Arend, OHG. Aro, G. Aar, Icel, Sw, & Dan. Orn, Goth. Ara, and to Gr. Bird. ... (06 Mar 1998) ...

Ernst
Paul, German pathologist, 1859-1937. ... See: Babes-Ernst bodies. ... (05 Mar 2000) ...

Ernst Abbe
Synonym for Abbe, Ernst ... <person> German mathematician and physicist, professor at Jena, and inventor of much optical apparatus at the Zeiss works. ... His inventions include the apochromatic objective, the compensating ocular, the Abbe condenser, a well corrected oil-immersion achromatic condenser, the immersion objective, Abbe apertometre, …

erogenous
Capable of producing sexual excitement when stimulated. ... Origin: G. Eros, love, + genos, birth ... (05 Mar 2000) ...

erogenous zone
An erotogenic zone, areas of the body, such as genitals and nipples, which elicit sexual arousal when stimulated. ... (05 Mar 2000) ...

erose
Of a margin: finely and irregularly eroded or toothed, irregularly incised. ... (09 Oct 1997) ...

erosion
1. An eating away, destruction of the surface of a tissue, material or structure. ... 2. Progressive loss of the hard substance of a tooth by chemical processes that do not involve bacterial action. ... See: abrasion. ... 3. A gradual breakdown or very shallow ulceration of the skin which involves only the epidermis and heals without scarring. ... Orig …

erosive
1. Having the property of eroding or wearing away. ... 2. An eroding agent. ... (05 Mar 2000) ...

erosive adenomatosis of nipple
Synonym for subareolar duct papillomatosis ... A benign tumour which may clinically resemble Paget's disease, but which is a papillary or solid growth of columnar and myoepithelial cells producing a florid pseudoinfiltrative pattern. ... Synonym: adenoma of nipple, erosive adenomatosis of nipple. ... (05 Mar 2000) ...

erosive gastritis
<gastroenterology> A form of severe inflammation of the stomach that can result in erosions in the lining of the stomach. ... Complications include perforation, penetration (into a surrounding organ) and haemorrhage. ... (27 Sep 1997) ...

erotic
Lustful; relating to sexual passion; having the quality to produce sexual arousal. ... Origin: G. Erotikos, relating to love, fr. Eros, love ... (05 Mar 2000) ...

erotic zoophilism
The deriving of sexual pleasure by patting or stroking animals. ... (05 Mar 2000) ...

erotica
Literary or artistic items having an erotic theme. It refers especially to books treating sexual love in a sensuous or voluptuous manner. (webster, 3d ed) ... (12 Dec 1998) ...

erotism
A condition of sexual excitement. ... (05 Mar 2000) ...

erotization
The act of sexual arousal or the state of being sexually excited. ... Synonym: libidinization. ... (05 Mar 2000) ...

erotogenesis
The origin or genesis of sexual impulses. ... Origin: G. Eros, love, + genesis, origin ... (05 Mar 2000) ...

erotogenic
Capable of causing sexual excitement or arousal. ... Origin: G. Eros, love, + -gen, production ... (05 Mar 2000) ...

erotomania
1. <psychiatry> Excessive or morbid inclination to erotic thoughts and behaviour. ... 2. The delusional belief that one is involved in a relationship with another, generally of higher socioeconomic status. ... Origin: G. Eros, love, + mania, frenzy ... (05 Mar 2000) ...

erotopathic
Relating to erotopathy. ... (05 Mar 2000) ...

erotopathy
Any abnormality of the sexual impulse. ... Origin: G. Eros, love, + pathos, suffering ... (05 Mar 2000) ...

erotophobia
<psychology> Morbid aversion to the thought of sexual love and to its physical expression. ... Origin: G. Eros, love, + phobos, fear ... (05 Mar 2000) ...

ERP
<abbreviation> Early receptor potential. ... (05 Mar 2000) ...

ERPF
<abbreviation> Effective renal plasma flow. ... (05 Mar 2000) ...

erratic
1. Having no certain course; roving about without a fixed destination; wandering; moving; hence, applied to the planets as distinguished from the fixed stars. 'The earth and each erratic world.' (Blackmore) ... 2. Deviating from a wise of the common course in opinion or conduct; eccentric; strange; queer; as, erratic conduct. ... 3. Irregular; change …

erroneous
1. Wandering; straying; deviating from the right course; hence, irregular; unnatural. 'Erroneous circulation.' 'Stopped much of the erroneous light, which otherwise would have disturbed the vision.' (Sir I. Newman) ... 2. Misleading; misled; mistaking. 'An erroneous conscience commands us to do what we ought to omit.' (Jer. Taylor) ... 3. Containing …

erroneous projection
Synonym for false projection ... <ophthalmology> The faulty visual sensation arising secondarily to underaction of an ocular muscle. ... Synonym: erroneous projection. ... (05 Mar 2000) ...

error
1. A wandering; a roving or irregular course. 'The rest of his journey, his error by sea.' (B. Jonson) ... 2. A wandering or deviation from the right course or standard; irregularity; mistake; inaccuracy; something made wrong or left wrong; as, an error in writing or in printing; a clerical error. ... 3. A departing or deviation from the truth; falsi …

error of the first kind
See: Error, alpha. ... (12 Dec 1998) ...

error of the second kind
See: Error, beta. ... (12 Dec 1998) ...

error-prone repair
<molecular biology> A type of DNA repair which occurs when both nucleotides in a base pair are missing, such that it is not possible to maintain accuracy. ... In general, the repair proteins replace the missing nucleotides randomly. The idea is that bad DNA is better than no DNA at all. ... (06 Mar 1998) ...

error, alpha
The statistical error (said to be of the first kind or type I) made in testing an hypothesis when it is concluded that a treatment or intervention is effective when it really is not. Sometimes referred to as a false positive. ... (12 Dec 1998) ...

error, beta
The statistical error (said to be of the second kind or type II) made in testing an hypothesis when it is concluded that a treatment or intervention is not effective when it really is. Sometimes referred to as a false negative. ... (12 Dec 1998) ...

ertacalciol
Synonym for tachysterol ... Sterol(s) formed by ultraviolet irradiation of any 5,7-diene-3b-sterol, which breaks the 9,10 bond, but usually from either or both of ergosterol and lumisterol to produce tachysterol2 (ertacalciol, (6E,22E)-9,10-secoergosta-5(10),6,8,22-tetraen-3b-ol) and from 7-dehydrocholesterol to produce tachysterol3 (tacalciol,(6E,3 …

erubescence
A reddening of the skin. ... Origin: L. Erubescere, to redden ... (05 Mar 2000) ...

erubescent
Denoting reddening of the skin. ... (05 Mar 2000) ...

erucic acid
13-Docosenoic acid;a 22-carbon unsaturated fatty acid present in the seeds of nasturtium (Indian cress) and of several Cruciferae species (rape, mustard, and wallflower); thought to be toxic to cardiac muscle. ... (05 Mar 2000) ...

erucic acids
Cis-13-docosenoic acids. 22-carbon monounsaturated, monocarboxylic acids. ... (12 Dec 1998) ...

eructation
<symptom> The act of belching or of casting up wind from the stomach through the mouth. ... Origin: L. Eructatio ... (11 Nov 1997) ...

erupt
<dentistry> When a new tooth comes in, the tooth is said to erupt when the tooth breaks through the surface of your gums, so you can see the tooth in your mouth. ... (05 Mar 2000) ...

eruption
1. <dentistry> The act of breaking out, appearing or becoming visible, as eruption of the teeth. ... 2. <dermatology> Visible efflorescent lesions of the skin due to disease, especially an exanthematous disease and marked by redness and prominence, a rash. ... See: exanthema. ... Origin: L. Eruptio = a breaking out ... (08 Jan 1998) ...

eruption cyst
A form of dentigerous cyst in the soft tissues in conjunction with an erupting tooth; seen on the alveolar ridge of children. ... (05 Mar 2000) ...

eruptive
1. Breaking out or bursting forth. 'The sudden glance Appears far south eruptive through the cloud.' (Thomson) ... 2. <medicine> Attended with eruption or efflorescence, or producing it; as, an eruptive fever. ... 3. <geology> Produced by eruption; as, eruptive rocks, such as the igneous or volcanic. ... Origin: Cf. F. Eruptif. ... <geol …

eruptive fever
Synonym for boutonneuse fever ... A febrile disease of the mediterranean area, the crimea, africa, and india, caused by infection with rickettsia conorii. ... (12 Dec 1998) ...

eruptive phase
That period in the tooth formation which includes the development of the roots, periodontal ligament, and dentogingival junction of the tooth. ... (05 Mar 2000) ...

eruptive stage
The stage of an exanthematous illness in which the rash appears. ... (05 Mar 2000) ...

eruptive xanthoma
The sudden appearance of groups of 1-4 mm waxy yellow or yellowish-brown papules with an erythematous halo, especially over extensors of the elbows and knees, and on the back and buttocks of patients with severe hyperlipaemia, often familial or more rarely in severe diabetes. ... (05 Mar 2000) ...

ERV
<abbreviation> Expiratory reserve volume. ... (05 Mar 2000) ...

erwinia
A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria whose organisms are associated with plants as pathogens, saprophytes, or as constituents of the epiphytic flora. ... (12 Dec 1998) ...

erwinia carotovora
A species of gram-negative, facultatively anaerobic, rod-shaped bacteria that causes rotting, particularly of storage tissues, of a wide variety of plants and causes a vascular disease of carrot and potato plants. ... (12 Dec 1998) ...

erwinia chrysanthemi
A species of gram-negative, facultatively anaerobic, rod-shaped bacteria that causes vascular wilts on a wide range of plant species. ... (12 Dec 1998) ...

Eryf1
Synonym for erythroid transcription factor ... <molecular biology> Transcription factor that binds to regulatory regions of genes expressed in erythroid cells. ... (18 Nov 1997) ...

erysipelas
<dermatology> An acute superficial form of cellulitis involving the dermal lymphatics, usually caused by infection with group A streptococci and chiefly characterised by a peripherally spreading hot, bright red, oedematous, brawny, infiltrated and sharply circumscribed plaque with a raised indurated border. Formerly called St. Anthony's fire. …