›› 1999, Vol. 19 ›› Issue (3): 133-136.
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Abstract: Six rhesus monkeys were used to study the distribution and morphology of 5 - hy-droxytryptamine (5-HT) endocrine cells in the small intestine by using immunohis-tochemical streptavidin/peroxidase (SP) method,and Weibel,s stereological method. The results were as follows:① the density of 5-HT endocrine cells in the small intestine of the rhesus monkeys was the highest in the duodenum and moderate in the jejunum and the lowest in the ileum;② 5-HT endocrine cells were distributed mainly in the glandulate duodenales and less in the villi;③ 5-HT cells were various in shape,mostly oval,shuttle, pyramidal or round ;and ④ basal portion of some endocrine cells had processes,extended to luminal surface of the crypt or intestinal tract with 5-HT positive substance accumulating in their ends. These results suggested that 5-HT endocrine cells have paracrine and exocrine functions.
Key words: "Rhesus monkey, Small intestine, 5-HT endocrine cells, Immunohis-tochemistry, Stereology "
ZHANG Shun-Li, ZHANG Xin-Sheng, ZHANG Wen-Xue, GUO Mei, YANG Xiang-Ying, LIU Qing-Lan. Distribution and Morphology of the 5-HT Endocrine Cells in the Small Intestine of Rhesus Monkeys[J]. , 1999, 19(3): 133-136.
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https://www.slarc.org.cn/dwyx/EN/Y1999/V19/I3/133