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The distribution of serotonin and serotonin 2B receptor in the small intestines of pigs newborn, 5, 15 and 100 days of age were examined qualitatively and quantitatively by immunohistochemical labeling, microscopic observation and image analysis. The results showed serotonin immunopositive cells distributed diffusely among the epithelial cells of the middle and more basal parts of villi and intestinal...
Functional recovery of neurons in the spinal cord after physical injury is essentially abortive in clinical cases. As neurotrophins had been reported to be responsible, at least partially, for the lesion-induced recovery of spinal cord, it is not surprising that they have become the focus of numerous studies. Studies on endogenous neurotrophins, especially the three more important ones, nerve growth...
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