单词 | pepsin |
释义 | pep·sin also pep·sine ![]() n. 1. A digestive enzyme found in gastric juice that catalyzes the breakdown of protein to peptides. 2. A substance containing pepsin, obtained from the stomachs of hogs and calves and used as a digestive aid. [Greek pepsis, digestion (from peptein, to digest; see pekw- in the Appendix of Indo-European roots) + -IN.] |
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