| umls-concept:C0031272 | skos:definition | MSH: Lymphoid tissue on the mucosa of the small intestine.,CSP: unencapsulated lymph nodule clusters in the small intestine; well developed in youth and regress with age; involved in local mucosal immunity and possibly B lymphocyte differentiation.,NCI: Lymphoid cell tissue in the small intestinal mucosa.,NCI: Lymphoid tissue on the mucosa of the small intestine. (MeSH) (NCI) | lld:umls |
