| serpentaria | <medicine> The fibrous aromatic root of the Virginia snakeroot (Aristolochia Serpentaria). Origin: L. (sc. Herba), fr. Serpens serpent. Source: Websters Dictionary (01 Mar 1998) |
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| serpentarius | <astronomy> A constellation on the equator, lying between Scorpio and Hercules. Synonym: Ophiuchus. Origin: NL, fr. L. Serpens serpent. Source: Websters Dictionary (01 Mar 1998) |
| serpentine | 1. <chemical> A mineral or rock consisting chiefly of the hydrous silicate of magnesia. It is usually of an obscure green colour, often with a spotted or mottled appearance resembling a serpent's skin. Precious, or noble, serpentine is translucent and of a rich oil-green colour. Serpentine has been largely produced by the alteration of other minerals, especially of chrysolite. 2. A kind of ancient cannon. Origin: Cf. (for sense 1) F. Serpentine, (for sense 2) serpentin. Source: Websters Dictionary (01 Mar 1998) |
| serpentine aneurysm | Dilation and tortuosity of an artery, sometimes affecting the temporal, splenic, or iliac arteries in the elderly. (05 Mar 2000) |
| serpentinian | See Ophite. Source: Websters Dictionary (01 Mar 1998) |
| serpentinize | <chemical> To convert (a magnesian silicate) into serpentine. Serpentiniza"tion. Source: Websters Dictionary (01 Mar 1998) |
| serpiginous | <medicine> Creeping; said of lesions which heal over one portion while continuing to advance at another. Origin: Cf. F. Serpigineux. Source: Websters Dictionary (01 Mar 1998) |
| serpiginous choroidopathy | Bilateral acquired abnormality of retinal pigment epithelium and choroid in which irregular multiple progressive swelling is followed by atrophic scars in linear patterns. Synonym: helicoid choroidopathy, serpiginous choroidopathy. (05 Mar 2000) |
| serpiginous corneal ulcer | Serpentine ulceration of the cornea, due to infection, most often with Streptococcus pneumoniae. (05 Mar 2000) |
| serpiginous keratitis | A severe, creeping, central, suppurative ulcer often due to pneumococci. Synonym: pneumococcal/suppurative keratitis, serpent ulcer of cornea. (05 Mar 2000) |
| serpiginous ulcer | An ulcer extending on one side while healing at the opposite edge, forming an undulating margin. Synonym: creeping ulcer. (05 Mar 2000) |
| serpigo | <medicine> A dry, scaly eruption on the skin; especially, a ringworm. Origin: LL, fr. L. Serpere to creep. Source: Websters Dictionary (01 Mar 1998) |
| serpins | Superfamily of proteins, mostly serine protease inhibitors, that includes ovalbumin, _ 1 antitrypsin, antithrombin. (18 Nov 1997) |
| serpolet | <botany> Wild thyme. Origin: F. Source: Websters Dictionary (01 Mar 1998) |
| serpula | Origin: L, a little snake. See Serpent. <zoology> Any one of numerous species of tubicolous annelids of the genus Serpula and allied genera of the family Serpulidae. They secrete a calcareous tube, which is usually irregularly contorted, but is sometimes spirally coiled. The worm has a wreath of plumelike and often bright-coloured gills around its head, and usually an operculum to close the aperture of its tube when it retracts. Source: Websters Dictionary (01 Mar 1998) |