| chrys- | Chryso- Gold; corresponds to L. Auro-. Origin: G. Chrysos (05 Mar 2000) |
|---|---|
| chrysanthemum-carboxylic acids | Cyclopropane carboxylic acids substituted in one position by two methyl groups, the other by 2-methyl-1-propenyl (chrysanthemum monocarboxylic acid) or by 3-methoxy-2-methyl-3-oxo-1-propenyl (chrysanthemum dicarboxylic acid methyl ester); these acids, esterified with allethrolone or pyrethrolone, are the allethrins and pyrethrins, respectively. (05 Mar 2000) |
| chrysarobin | An extract of Goa powder; a complex mixure of reduction products of chrysophanic acid, emodin, and emodin monomethyl ether; used locally in ringworm, psoriasis, and eczema. Origin: G. Chrysos, gold, + Brazil Ind. Araroba, bark (05 Mar 2000) |
| chrysazine | 1,8-dihydroxyanthraquinone;an anthraquinone laxative. Synonym: chrysazine. (05 Mar 2000) |
| chrysenes | 1,2-benzphenanthrenes. Polycyclic hydrocarbons obtained from coal tar. (12 Dec 1998) |
| chrysiasis | A permanent slate-gray discoloration of the skin and sclera resulting from deposition of gold in the connective tissue of the skin and eye together with increased melanin formation after administration of gold. Synonym: auriasis, aurochromoderma, chrysoderma. Origin: G. Chrysos, gold (05 Mar 2000) |
| chrysocyanosis | Pigmentation of skin due to reaction to therapeutic use of gold salts. (05 Mar 2000) |
| chrysoderma | Synonym: chrysiasis. Origin: G. Chrysos, gold, + derma, skin (05 Mar 2000) |
| chrysoidin | 2,4-Diaminoazobenzene hydrochloride;a dye (MW 249) made from aniline, used in histology and as an indicator (changing from orange to yellow at pH 4.0 to 7.0); also employed as a substitute for Bismarck brown. Chrysoidin citrate and chrysoidin thiocyanate are used as antiseptics. (05 Mar 2000) |
| Chrysomyia | A genus of myiasis-producing fleshflies (family Calliphoridae) with medium-sized metallic-coloured adults; includes the Old World screw worm, Chrysomyia bezziana (sometimes called Cochliomyia bezziana), which is a primary invader, comparable to Cochliomyia hominivorax, the New World screw worm fly, whereas Chrysomyia megacephala is an Old World equivalent to Cochliomyia macellaria, both being secondary or saprophytic invaders. Origin: G. Chrysos, gold, + myia, fly (05 Mar 2000) |
| Chrysophyta | <botany> Division or Class of algae, coloured golden brown due to high levels of the xanthophyll, fucoxanthin. Mostly single celled or colonial. Also call Chrysomonadida by protozoologists. (18 Nov 1997) |
| Chrysops | The deerfly, a genus of biting flies with about 80 North American species, characterised by a splotched wing pattern; Chrysops discalis is a vector of Francisella tularensis in the U.S.; Chrysops dimidiatus and Chrysops silaceus are the principal vectors of Loa loa in west Africa. Origin: G. Chrysos, gold, + ops, eye (05 Mar 2000) |
| chrysosporium | A deuteromycetous fungal genus which causes adiaspiromycosis, a pulmonary mycosis of man and rodents. (12 Dec 1998) |
| Chrysosporium parvum | A species of soil fungus. The pathogenic organism that had this name has been changed to Emmonsia parva and does cause adiaspiromycosis. (05 Mar 2000) |
| chrysotherapy | Treatment of disease by the administration of gold salts. Synonym: aurotherapy. Origin: G. Chrysos, gold (05 Mar 2000) |