(definition) by Webster 1913 Wed Dec 22 1999 at 2:20:59

Pty"a*lin (?), n. [Gr. spittle. See Ptyalism.] Physiol. Chem.

An unorganized amylolytic ferment, on enzyme, present in human mixed saliva and in the saliva of some animals.

 

© Webster 1913.

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