| 单词 | 卟啉 |
| 释义 | 〔porphyrin〕Any of various nitrogen-containing organic compounds, derived from pyrrole, occurring universally in protoplasm and providing the foundation structure for hemoglobin, chlorophyll, and certain enzymes.卟啉：一类含氧的有机化合物的一种，由卟咯衍生而来普遍存在于细胞质中，是构成血红蛋白、呼吸色素及某些酶的基本结构〔protoporphyrin〕A metal-free porphyrin, C32H 32N 4(COOH) 2, that combines with iron to form the heme of hemoglobin, myoglobin, cytochrome, and other iron-containing proteins. 原卟啉：一种不含金属的卟啉，C32H 32N 4(COOH) 2，与铁结合形成血红蛋白、肌红蛋白、细胞色素和其它含铁蛋白质的血红素 〔porphyria〕Any of several disorders of porphyrin metabolism, usually hereditary, characterized by the presence of large amounts of porphyrins in the blood and urine.卟啉症：卟啉代谢异常的几种病态的一种，这种病通常为遗传性的，其特征是血液和尿中出现大量的卟啉 |
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