histoma

histoma

 [his-to´mah] any tissue tumor.

his·to·ma

(his-tō'mă), A benign neoplasm in which the cytologic and histologic elements are closely similar to those of normal tissue from which the neoplastic cells are derived. Synonym(s): histioma [histo- + G. -oma, tumor]

histoma

A little-used, nonspecific term for:
(1) Any (benign or malignant) neoplasm that is histologically and cytologically similar to the site and background tissue in which it is found (see there); 
(2) Benign neoplasm.
This term is not used to working medical parlance.

his·to·ma

(his-tō'mă) A benign neoplasm in which the cytologic and histologic elements are closely similar to those of normal tissue from which the neoplastic cells are derived. [histo- + G. -oma, tumor]