故可认为低等脊椎动物扬子鳄不仅在小肠腺和小肠上皮内，而且在固有层内均含有内分泌细胞。
This suggests that the endocrine cells were located in the epithelium of the villi and the crypts of lieberkuhn and in the lamina propria of the small intestine in the low forms of vertebrate.
结果：大鼠胃小凹上皮细胞、胃底腺壁细胞呈DHEA免疫反应阳性，阳性物质分布于胞质内，胞核阴性。
Results: the parietal cells in gastric epithelial cells appeared DHEA positive immune reaction. The positive substance was distributed in the cytoplasm and negative in the nuclei.
降钙素基因相关肽阳性细胞内免疫反应在大鼠胃窦和胃体腺上皮分别呈强阳性和弱阳性；
The immunoreaction of the CGRP-positive cells inthe rat antrum and stomach body were comparatively stronger and lighter;
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