crotalin

[ kroht-l-in ]

nounBiochemistry.
  1. a protein in the venom of pit vipers, used as an antigen in the preparation of snake antivenins.

Origin of crotalin

1
<New Latin Crotal(us) a genus of rattlesnakes, from whose venom the protein was extracted (<Latin crotalum<Greek krótalon rattle) + -in2

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