Objective:To observe the distribution of neuropeptide Y(NPY), vasoactive intestinal peptide(VIP) in large intestine of Alligator sinensis and the distribution of substance P(SP), vasoactive intestinal peptide in ureter of Alligator sinensis.
Objective:To observe the distribution of neuropeptide Y(NPY), vasoactive intestinal peptide(VIP) in large intestine of Alligator sinensis and the distribution of substance P(SP), vasoactive intestinal peptide in ureter of Alligator sinensis.
目的:观察扬子鳄大肠的神经肽Y（neuropeptide Y,NPY）、血管活性肠肽（vasoactive intestinal peptide,VIP）和输尿管的P物质（substance P,SP）、血管活性肠肽分布。