platelet-aggregating factor

Medical Dictionary

platelet-aggregating factor n.
Abbr. PAF
A substance released from rabbit basophilic white blood cells that causes aggregation of platelets and is involved in the deposition of immune complexes. Also called platelet-activating factor.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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