| xanthopsia | <ophthalmology> A form of chromatopsia in which objects looked at appear yellow. Origin: Gr. Opsis = vision (11 May 1997) |
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| xanthopsis | <oncology, pathology> Refers to yellow colouring in a cancer. Origin: Gr. Opsis = vision (09 Oct 1997) |
| xanthopsydracia | An eruption of small yellow pustules. Origin: G. Xanthos, yellow + psydrax, a blister on the tip of the tongue (05 Mar 2000) |
| xanthopterin | <chemical> 2-amino-1,5-dihydro-4,6-pteridinedione. Pigment first discovered in butterfly wings and widely distributed in plants and animals. Chemical name: 4,6-Pteridinedione, 2-amino-1,5-dihydro- (12 Dec 1998) |
| xanthopuccine | <chemistry> One of three alkaloids found in the root of the yellow puccoon (Hydrastis Canadensis). It is a yellow crystalline substance, and resembles berberine. Source: Websters Dictionary (01 Mar 1998) |
| xanthorhamnin | <chemistry> A glucoside extracted from Persian berries as a yellow crystalline powder, used as a dyestuff. Origin: Rhamnus, the generic name of the plant bearing Persian berries. Source: Websters Dictionary (01 Mar 1998) |
| xanthorhiza | <botany> A genus of shrubby ranunculaceous plants of North America, including only the species Xanthorhiza apiifolia, which has roots of a deep yellow colour; yellowroot. The bark is intensely bitter, and is sometimes used as a tonic. Origin: Gr. Xanqos = yellow, riza = root. (09 Mar 1998) |
| xanthorhoea | <botany> A genus of endogenous plants, native to Australia, having a thick, sometimes arborescent, stem, and long grasslike leaves. See: Grass tree. Origin: Gr. Xanqos = yellow. Source: Websters Dictionary (01 Mar 1998) |
| xanthose | <chemistry> An orange-yellow substance found in pigment spots of certain crabs. Source: Websters Dictionary (01 Mar 1998) |
| xanthosine | 9-beta-d-ribosylxanthine;the deamination product of guanosine (O replacing -NH2). Synonym: xanthine ribonucleoside. Abbreviation: Xao (05 Mar 2000) |
| xanthosine 5'-monophosphate | The monophosphoric ester of xanthosine. An intermediate in GMP biosynthesis. Synonym: xanthidylic acid, xanthine nucleotide, xanthylic acid. (05 Mar 2000) |
| xanthosine 5'-triphosphate | Xanthosine with a triphosphoric acid esterified at its 5' position. (05 Mar 2000) |
| xanthosine phosphorylase | <enzyme> From E coli k-12; mw 18kda; inactivated by p-chloromercuriphenylsulfonic acid Registry number: EC 2.4.2.- Synonym: inosine-guanosine phosphorylase (26 Jun 1999) |
| xanthosis | <medicine> The yellow discolouration often observed in cancerous tumours. Origin: Gr. Xanqos = yellow. Source: Websters Dictionary (01 Mar 1998) |
| xanthospermous | <botany> Having yellow seeds. Origin: Xantho- + Gr. Sperma sperm. Source: Websters Dictionary (01 Mar 1998) |
| xanthoprotein |
(xan
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| xanthopsia |
(xan
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| xanthosis |
(xan
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| xanthous |
(xan
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| xanthurenic acid |
(xanth
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