Pever’s Patch
The most recognized secondan lymphoid organ in the intestine is the PP. The PP was originalJy described by Joseph Hans and Conrad Peyerin 1677
1. PPs appear morphologically as clusters of three or morę large lymphoid aggregates. Large B celi follicles with adjacent T celi areas surround a germinal center. Majority of celi present in PP are CD4+ T cells and B cells