porphin


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porphin

[′pȯr·fən]
(biochemistry)
A heterocyclic ring consisting of four pyrrole rings linked by methine (‒CH=) bridges; the basic structure of chlorophyll, hemoglobin, the cytochromes, and certain other related substances.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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