has_part has part has part characteristic of inheres in inheres in has modifier Hamartoma 2009-10-16T02:51:16Z UMLS:C0018552 SNOMEDCT_US:400006008 sandra1 SNOMEDCT_US:51398009 HP:0010566 MSH:D006222 A disordered proliferation of mature tissues that is native to the site of origin, e.g., exostoses, nevi and soft tissue hamartomas. Although most hamartomas are benign, some histologic subtypes, e.g., neuromuscular hamartoma, may proliferate aggressively such as mesenchymal cystic hamartoma, Sclerosing epithelial hamartoma, Sclerosing metanephric hamartoma. Neoplasm by histology hamartoma abnormal increased amount