> as lemmas

1901 Jrnl. Chem. Soc. 80 ii. 118 Many authors distinguish the action of so-called peptone from such a substance as leech extract by saying that the latter contains an anti-thrombin, whilst the action of peptone is to first produce an anti-thrombin within the body by acting on some organ like the liver.

2003 Science 21 Mar. 1815/1 Serpins, like antithrombin and antitrypsin, inhibit serine proteases, and when they are lacking or mutated contribute to a range of disorders including hepatitis, emphysema, and thrombosis.