| 单词 | protoporphyrin |
| 释义 | protoporphyrin/ (ˌprəʊtəʊˈpɔːfɪrɪn) / nouna type of porphyrin that, when combined with an iron atom, forms haem, the oxygen-bearing prosthetic group of the red blood pigment haemoglobin Words nearby protoporphyrinprotoplasmic astrocyte, protoplast, protopodite, protopope, protoporphyria, protoporphyrin, protoporphyrin IX, protopresbyter, Protosemitic, protospasm, protostar Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for protoporphyrinprotoporphyrin [ prō′tō-pôr′fə-rĭn ] n.A metal-free porphyrin that combines with iron to form the heme of iron-containing proteins. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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