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Substance P-like immunoreactive axon varicosities with synaptic junctions in the nucleus tractus solitarius of the
Brain Research
|November 11, 1982
Abstract:
Substance P-like immunoreactive axon varicosities form both Gray's type I and type II synaptic junctions to the dendrites and somata in the nucleus of the tractus solitarius of the rat. Peroxidase anti-peroxidase reaction products are observed mainly on the large dense-cored vesicles and in the axoplasm preferentially surrounding small clear vesicles. Labeled axon varicosities are filled with small clear vesicles of 50 nm in diameter.