| 单词 | respiratory pigment |
| 释义 | > as lemmasrespiratory pigment respiratory pigment n. Biochemistry a substance, typically a protein with a prosthetic group (such as haem) containing one or more metal atoms, which transports oxygen within blood or tissue, or electrons within a cell, for the process of respiration. ΘΚΠ the world > life > biology > substance > pigment > [noun] > human or animal pigments > others urohaematin1863 respiratory pigment1877 stercobilin1880 oxyluciferin1919 wear-and tear-pigment1928 photopigment1937 porphyropsin1937 erythrolabe1958 cryptochrome1978 1877Respiratory pigment [see sense 2]. 1933 Biol. Bull. 64 233 In several of the invertebrates also, respiratory pigments, either hemoglobin or hemerythrin, are found within special cells of the circulating blood or body fluids. 2001 O. Sacks Uncle Tungsten xxii. 274 Whereas our red respiratory pigment, hemoglobin, contained iron, their bluish green pigment, hemocyanin, contained copper. < as lemmas |
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