Peyer's patches
/ˈpaɪə(r)/plural noun
- Anatomy the numerous areas of lymphoid tissue in the wall of the small intestine which are involved in the development of immunity to antigens present there【剖】（小肠内壁）（派尔氏）集合淋巴结。
词源
mid 19th cent.: named after Johann K. Peyer （1653-1712）, Swiss anatomist.