MeSH definition : A mucosal tumor of the urinary bladder or nasal cavity in which proliferating epithelium
is invaginated beneath the surface and is more smoothly rounded than in other papillomas.
(Stedman, 25th ed);
A mucosal tumor of the urinary bladder or nasal cavity in which proliferating epithelium
is invaginated beneath the surface and is more smoothly rounded than in other papillomas.
(Stedman, 25th ed)