| myd | <molecular biology> A gene that is involved in the determination of muscle cells. (18 Nov 1997) |
|---|---|
| mydaleine | <physiology> A toxic alkaloid (ptomaine) obtained from putrid flesh and from herring brines. As a poison it is said to execute profuse diarrhoea, vomiting, and intestinal inflammation. Origin: Gr. To be clammy (from decay). Source: Websters Dictionary (01 Mar 1998) |
| mydatoxin | <physiology> A poisonous amido acid, C6H13NO2, separated by Brieger from decaying horseflesh. In physiological action, it is similar to curare. Origin: Gr. To be clammy (from decay) + toxic + in. Source: Websters Dictionary (01 Mar 1998) |
| mydaus | <zoology> The teledu. Origin: NL, fr. Gr. To be clammy or damp. Source: Websters Dictionary (01 Mar 1998) |
| mydriasis | <medicine> A long-continued or excessive dilatation of the pupil of the eye. Origin: L, fr. Gr. Source: Websters Dictionary (01 Mar 1998) |
| mydriatic | 1. <ophthalmology> Dilating the pupil. 2. <pharmacology> Any drug that dilates the pupil. (18 Nov 1997) |
| mydriatics | Agents that dilate the pupil. They may be either sympathomimetic or parasympatholytics. The latter cause cycloplegia or paralysis of accommodation at high doses and may precipitate glaucoma. Mydriatics are used in eye diseases and to facilitate eye examination. (12 Dec 1998) |