Age-Dependence of Lymphocyte Production in Peyer’s Patch Follicles in Contrast to the Other Peyer’s Patch Compartments and the Thymus
The gut-associated lymphoid tissue consists of intraepithelial and lamina propria lymphocytes and organized lymphoid tissue, the Peyer’s patches (PP). In pigs there are two types of PP, discrete ones in the jejunum (jejPP) and a continuous PP in the ileum (ilPP). Their role in the pig’s lymphoid system is not known: probably antigen from the gut lumen crossing the epithelium of the PP stimulates their lymphocytopoiesis.
KeywordsLymphoid Organ Mitotic Rate Postnatal Development Metaphase Arrest Lamina Propria Lymphocyte
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