| umls-concept:C0001428 | skos:definition | MSH: A collection of lymphoid nodules on the posterior wall and roof of the NASOPHARYNX.,NCI: A fold of lymphatic tissue covered by ciliated epithelium at the very back of the nose, in the roof of the nasopharynx. (NCI),NCI: A fold of lymphatic tissue covered by ciliated epithelium at the very back of the nose, in the roof of the nasopharynx. | lld:umls |
