Pepsinogen

2 definitions found

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

  Pepsinogen \Pep*sin"o*gen\, n. [Pepsin + -gen.] (Physiol. Chem.)
     A proenzyme, the antecedent of the enzyme pepsin. A substance
     contained in the form of granules in the peptic cells of the
     gastric glands. It is readily convertible into pepsin. Also
     called {propepsin}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  pepsinogen
       n : precursor of pepsin; stored in the stomach walls and
           converted to pepsin by hydrochloric acid in the stomach