| epimeal | <zoology> Pertaining to the epimera. Source: Websters Dictionary (01 Mar 1998) |
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| epimenorrhagia | Prolonged and profuse menstruation occurring at any time, but most frequently at the beginning and end of menstrual life. (05 Mar 2000) |
| epimenorrhoea | Too frequent menstruation, occurring at any time, but particularly at the beginning and end of menstrual life. (05 Mar 2000) |
| epimer | <biochemistry> Diastereomeric monosaccharides that have opposite configurations of a hydroxyl group at only one position, for example D glucose and D mannose. (18 Nov 1997) |
| epimerase | <enzyme> An enzyme that catalyses the reversible conversion of an epimer into its counterpart form. (09 Oct 1997) |
| epimerase deficiency galactosaemia | An inborn error in metabolism in which there is a deficiency of uridine diphosphate galactose 4-epimerase; galactose 1-phosphate accumulates. (05 Mar 2000) |
| epimere | <biology> One of the segments of the transverse axis, or the so called homonymous parts; as, for example, one of the several segments of the extremities in vertebrates, or one of the similar segments in plants, such as the segments of a segmented leaf. Origin: Epi- + -mere. Source: Websters Dictionary (01 Mar 1998) |
| epimerite | The hooklike anchoring structure at the anterior end of a cephaline gregarine sporozoan; it is left embedded in tissues when the rest of the cephalont is freed in the lumen of the intestine of the invertebrate host. Origin: epi-+ G. Meros, part (05 Mar 2000) |
| epimeron | Origin: NL, fr. Gr. Upon + a part. <zoology> In crustaceans: The part of the side of a somite external to the basal joint of each appendage. In insects: The lateral piece behind the episternum. Alternative forms: epimerum. Source: Websters Dictionary (01 Mar 1998) |
| epimestrol | <chemical> 3-methoxy-estra-1,3,5(10)-triene-16 alpha,17 alpha-diol. A synthetic steroid with oestrogenic activity. Pharmacological action: oestrogens, synthetic. Chemical name: Estra-1,3,5(10)-triene-16,17-diol, 3-methoxy-, (16alpha,17alpha)- (12 Dec 1998) |
| epimicroscope | <instrument> A microscope with a condenser built around the objective; used for the investigation of opaque, or only slightly translucent, minute specimens. Synonym: opaque microscope. (05 Mar 2000) |
| epimorphosis | <cell biology> Pattern of regeneration in which proliferation precedes the development of a new part. Opposite of morphallaxis. (18 Nov 1997) |
| epimyoepithelial islands | Proliferation of salivary gland ductal epithelium and myoepithelium. Characteristic of benign lymphoepithelial lesions and Sjogren's syndrome. (05 Mar 2000) |
| epimysiotomy | Incision of the sheath of a muscle. Origin: epimysium + G. Tome, a cutting (05 Mar 2000) |
| epimysium | The fibrous connective tissue envelope surrounding a skeletal muscle. Synonym: perimysium externum. Origin: epi-+ G. Mys, muscle (05 Mar 2000) |