1 the uptake of 5-hydroxytryptamine ( 5-ht ) was investigated in different areas of the rabbit brain ( anterior hypothalamus , the raphe , the region of the substantia nigra , several cortical areas and the medulla oblongata ) after intraventricular injection in pargyline pretreated animals by the formaldehyde-induced histochemical fluorescence method .
C0006104
brain
C0038590
substantia nigra