umls-concept:C0031021 | skos:definition | NCI: A large apocrine gland located in the area surrounding the anal orifice.,NCI: A gland located in the area around the anus.,NCI: A large apocrine gland located in the area surrounding the anal orifice. (NCI),NCI: A gland located in the area around the anus. (NCI) | lld:umls |