Biology
- Polynucleotide Chains Have Nitrogenous Bases Linked To A Sugar-phosphate Backbone
KEY TERMS: A nucleoside consists of a purine or pyrimidine base linked to position 1 of a pentose sugar. Positions on the ribose ring are described with a prime () to distinguish them. The difference between DNA and RNA is in the group at the 2 position...
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Term: hematuria Literally meaning: ?urine with blood? Origin: Anc Greek ????-/hema(-blood) (gen ???????/hematos) +?????/-uria > ?????uron(=urine) Coined/History Definition The presence of erythrocytes in urine ...
- Angiolipoma
Term: angiolipomaLiterally meaning: ?growth of lipoid vessel?Origin: Anc Greek??????/aggio (=vessel, receptacle) > ?????/aggos(=tube)+(-???)/(-oma)=suffix denoting state or condition of mass growthCoined/History(?)DefinitionAngiolipoma is a rare and...
- Xantho-
Term: xantho-A compining form meaning ?yellow? or ?golden?, such as in words:xanthochromia, xanthine, xanthocyanopsia...
- Xanthelasma
Term: xanthelasma Literally meaning: ?a yellow plate? Origin: Anc Greek??????/xanthos(=golden, yellow, blond)+??????/elasma(=beaten metal plate) Coined/HistoryIn 1877 by English surgeon and dermatologist Erasmus Wilson (1809-1884) and initially...
Biology
xanthine
Term: xanthine
Literally meaning: ?yellowish?
Origin: Anc Greek
??????/xanthos(=golden, yellow, blond)
Coined/History
(?)
Definition
Xanthine is an yellowish alkaloid purine base which is an intermediate in the catabolic process of nucleic acids to uric acid found in blood, urine and many organs. Deratives of xanthine such as mild stimulants caffeine, theophylline and thebromine are called also xanthines.
- Polynucleotide Chains Have Nitrogenous Bases Linked To A Sugar-phosphate Backbone
KEY TERMS: A nucleoside consists of a purine or pyrimidine base linked to position 1 of a pentose sugar. Positions on the ribose ring are described with a prime () to distinguish them. The difference between DNA and RNA is in the group at the 2 position...
-
Term: hematuria Literally meaning: ?urine with blood? Origin: Anc Greek ????-/hema(-blood) (gen ???????/hematos) +?????/-uria > ?????uron(=urine) Coined/History Definition The presence of erythrocytes in urine ...
- Angiolipoma
Term: angiolipomaLiterally meaning: ?growth of lipoid vessel?Origin: Anc Greek??????/aggio (=vessel, receptacle) > ?????/aggos(=tube)+(-???)/(-oma)=suffix denoting state or condition of mass growthCoined/History(?)DefinitionAngiolipoma is a rare and...
- Xantho-
Term: xantho-A compining form meaning ?yellow? or ?golden?, such as in words:xanthochromia, xanthine, xanthocyanopsia...
- Xanthelasma
Term: xanthelasma Literally meaning: ?a yellow plate? Origin: Anc Greek??????/xanthos(=golden, yellow, blond)+??????/elasma(=beaten metal plate) Coined/HistoryIn 1877 by English surgeon and dermatologist Erasmus Wilson (1809-1884) and initially...