| 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 emanation." Origin: L. Emano, to flow out + -on (05 Mar 2000) |
| 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) |
| emarginated | 1. Having the margin interrupted by a notch or shallow sinus. 2. <botany> Notched at the summit. 3. <chemistry> Having the edges truncated. Source: Websters Dictionary (01 Mar 1998) |
| emargination | <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 Dictionary (01 Mar 1998) |
| 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) |