[kuh-thep-sin] 
| any of a class of intracellular proteolytic enzymes, occurring in animal tissue, esp. the liver, spleen, kidneys, and intestine, that catalyze autolysis in certain pathological conditions and after death. |
[kuh-thep-tik] , adjective | ca·thep·sin (kə-thěp'sĭn) n. Any of various proteolytic enzymes found in animal tissue that catalyze the hydrolysis of proteins into polypeptides. [German Kathepsin, from Greek kathepsein, to digest : kat-, kata-, cata- + hepsein, to boil.] |
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