Changes

==Histology==

==Histology==

*'''Peyer's Patches''', part of the mucosal associated lymphoid tissue (MALT), are present throughout the ileum and ileocaecal junction.

*'''[[Ileal Peyer's Patch - Anatomy & Physiology|Peyer's Patches]]''', part of the mucosal associated lymphoid tissue (MALT), are present throughout the ileum and ileocaecal junction.

**They contain B and T lymphocytes.

**They contain B and T lymphocytes.

**B lymphocytes exist in follicles.

**B lymphocytes exist in follicles.