MeSH definition : A small, often impalpable benign papilloma arising in a lactiferous duct and frequently
causing bleeding from the nipple. (Stedman, 25th ed);
MeSH annotation : intraductal refers to mammary ducts only; /blood supply /chem /secret /ultrastruct
permitted; coord IM with BREAST NEOPLASMS (IM); intraductal refers to mammary ducts only; coordinate with BREAST NEOPLASMS;