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A number of neurochemical messengers have been shown to act directly on the melanotrope cells of the pars intermedia of Xenopus laevis to regulate alpha MSH secretion. In the present study the(More)
This quantitative ultrastructural immunocytochemical study demonstrates the coexistence of a catecholamine [dopamine (DA)], an amino acid (GABA), and a neuropeptide [neuropeptide Y (NPY)] in axon(More)