Main Entry: an·gio·ten·sin

Pronunciation: \ˌan-jē-ō-ˈten(t)-sən\

Function: noun

1 : either of two forms of a kinin of which one has marked physiological activity and the other is its physiologically inactive precursor ; especially : angiotensin ii
2 : a synthetic amide derivative of angiotensin II used to treat some forms of hypotension