specific binding sites for [ asp1 , ile5 ] angiotensin ii ( angiotensin ) have been demonstrated in homogenates and subcellular fractions of aortic medial smooth muscle cells , but the localization of the angiotensin receptor responsible for contraction has not been determined [ devynck , m. a. , & meyer , p. ( 1976 ) am . j. med . 61 , 758-767 ] .
C0003009
angiotensin ii
C0003018
angiotensin