| ephapse | A place where two or more nerve cell processes (axons, dendrites) touch without forming a typical synaptic contact; some form of neural transmission may occur at such nonsynaptic contact sites. Origin: G. Ephapsis, contact (05 Mar 2000) |
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| ephaptic | Relating to an ephapse. (05 Mar 2000) |
| ephebic | Rarely used term relating to the period of puberty or to a youth. Origin: G. Ephebikos, relating to youth, fr. Hebe, youth (05 Mar 2000) |
| ephebology | Rarely used term for the study of the morphologic and other changes incidental to puberty. Origin: G. Ephebos, puberty, + logos, study (05 Mar 2000) |
| ephedra | Ephedra equisetina (family Gnetaceae). Ma Huang; the plant source for the alkaloid ephedrine. Indigenous to China and India, it is 0.75 to over 1% ephedrine; also contains some pseudoephedrine. (05 Mar 2000) |
| ephedrine | <chemical> An alpha- and beta-adrenergic agonist that may also enhance release of norepinephrine. It has been used in the treatment of several disorders including asthma, heart failure, rhinitis, and urinary incontinence, and for its central nervous system stimulatory effects in the treatment of narcolepsy and depression. It has become less extensively used with the advent of more selective agonists. Pharmacological action: adrenergic alpha-agonists, adrenergic beta-agonists, adrenergic agents, appetite depressants, bronchodilator agents, central nervous system stimulants, sympathomimetic, vasoconstrictor agents. Chemical name: Benzenemethanol, alpha-(1-(methylamino)ethyl)-, (R-(R*,S*))- (12 Dec 1998) |
| ephedrine-NAD oxidoreductase | <enzyme> Forms methylbenzoylcarbinol and methylamine Registry number: EC 1.5.1.- Synonym: ephedrine-nad oxidoreductase (deaminating) (26 Jun 1999) |
| ephelis | Synonym: freckle. Origin: G. (05 Mar 2000) |
| ephemera | 1. <medicine> A fever of one day's continuance only. 2. <entomology> A genus of insects including the day flies, or ephemeral flies. See Ephemeral fly, under Ephemeral. Origin: NL, fr. Gr. A day fly, fr. Daily, lasting but a day; over + day. Source: Websters Dictionary (01 Mar 1998) |
| ephemeral | Short-lived. (09 Oct 1997) |
| ephemeral fever | An ephemerovirus infection of cattle caused by bovine ephemeral fever virus (ephemeral fever virus, bovine). It is characterised by respiratory symptoms, increased oropharyngeal secretions and lacrimation, joint pains, tremor, and stiffness. (12 Dec 1998) |
| ephemeral fever of cattle | An acute febrile disease of cattle in many African and Asian countries and Australia, caused by a rhabdovirus and characterised by stiffness and lameness. Synonym: bovine ephemeral fever. (05 Mar 2000) |
| ephemeral fever virus | A rhabdovirus that causes ephemeral fever of cattle. (05 Mar 2000) |
| ephemeral fever virus, bovine | The type species of ephemerovirus causing disease in cattle. Transmission is by haematophagous arthropods and the virus has been isolated from both culicoides and mosquitoes. (12 Dec 1998) |
| ephemeran | <zoology> One of the ephemeral flies. Source: Websters Dictionary (01 Mar 1998) |
| gestosis, eph | Hypertensive state associated with oedema and proteinuria which develops during pregnancy up to the 20th week of gestation, after which it is classified as preeclampsia. (12 Dec 1998) |
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