vitamin P
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Related to vitamin P: vitamin E
vitamin P
[′vīd·ə·mən ¦pē] (biochemistry)
A substance, such as citrin or one or more of its components, believed to be concerned with maintenance of the normal state of the walls of small blood vessels.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.