pep·sin·o·gen (pěp-sĭn'ə-jən) n. The inactive precursor to pepsin, formed in cells of the mucous membrane of the stomach and converted to pepsin by autocatalysis in the presence of hydrochloric acid.
Main Entry: pep·sin·o·gen Pronunciation: pep-'sin-&-j&n Function: noun : a granular zymogen of the gastric glands that isreadily converted into pepsin in a slightly acid medium
pepsinogen pep·sin·o·gen (pěp-sĭn'ə-jən) n. The inactive precursor to pepsin, formed in the chief cells of the mucous membrane of the stomach and converted to pepsin by hydrochloric acid during digestion. Also called propepsin.