vitamin P(redirected from capillary permeability factor)
Also found in: Dictionary, Thesaurus, Medical.
vitamin P[′vīd·ə·mən ¦pē]
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.