Nodular lymphoid structures on the serosal surface of the small intestine. [ http://orcid.org/0000-0002-6601-2165 ]
Synonyms: small bowel Peyer's patch Peyer's patch of small intestine aggregated lymphoid follicle of small intestine small intestine Peyer's patch noduli lymphoidei aggregati intestini tenuis Peyer's patch of small bowel