from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A natural polypeptide and protease inhibitor that affects blood clotting and is used during high-risk surgery, such as cardiopulmonary bypass, to reduce bleeding.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A polypeptide, obtained from bovine lung tissue, that acts as a protease inhibitor, and is used in surgery to reduce bleeding


a-1 + prot(e)in(ase) + -in.
(American Heritage® Dictionary of the English Language, Fourth Edition)


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