the interactions of d2 dopamine receptors with ( - ) -3-ppp in vitro were examined , using [ 3h ] spiperone to label d2 receptors in brain regions containing both pre- and postsynaptic d2 receptors ( caudate nucleus , corpus striatum ) and a region containing nonsynaptic d2 receptors ( anterior pituitary ) .
C0007461
caudate nucleus
C0010097
corpus