Pronunciation: pa-pa'in, -as
Definition: A cysteine endopeptidase, or a crude extract containing it, obtained from papaya latex. It has esterase, thiolase, transamidase, and transesterase activities; is used as a protein digestant, meat tenderizer, and to prevent adhesions. Formerly used to liquify contents of herniated intervertebral discs so that their contents could be removed by aspiration.
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Examples: glitazone, GI cocktail, etc.