cryofibrinogen

[krī′ō-fī-brĭnə-jən]
n.
  1. An abnormal type of fibrinogen that precipitates upon cooling, but redissolves when warmed to room temperature; it is rarely found in human plasma.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.