Meaning of fibrinoid

fi•bri•noid

Pronunciation: (fī'bru-noid", fib'ru-), [key]
— adj.
  1. having the characteristics of fibrin.
—n.
  1. an acellular homogenous protein resembling fibrin, present in the maturing placenta and in certain diseased blood vessels and connective tissues.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.