after the tetramethylbenzidine histochemical procedure was performed on the hrp-injected brains , projections to the dmn from several areas were observed including the nucleus reticularis parvocellularis and gigantocellularis , the nucleus of the solitary tract , the nucleus raphe obscuris , the principal sensory trigeminal nucleus , and the paraventricular nucleus of the hypothalamus .
C0006104
brains
C0034671
raphe