Ptyalin

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  ptyalin \pty"a*lin\ (t[imac]"[.a]*l[i^]n), n. [Gr. pty`alon
     spittle. See {Ptyalism}.] (Physiol. Chem.)
     An unorganized amylolytic ferment, on enzyme, present in
     human mixed saliva and in the saliva of some animals.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  ptyalin
       n : an amylase secreted in saliva