Pigment formation from tryptamine and 5-hydroxytryptamine in tissues: A contribution to the histochemistry of amine oxidase

Abstract

METHODS Animals (rats and guinea-pigs) were killed by a blow on the head and bled. The tissues were put into ice-cold 0.9%(w/v) sodium chloride and at once cut on the freezing microtome at 251L thickness. The sections were then incubated in 0 067M-sodium …