Definitions for myxomamɪkˈsoʊ mə; -mə tə
Random House Webster's College Dictionary
myx•o•mamɪkˈsoʊ mə; -mə tə(n.)(pl.)-mas, -ma•ta
a soft tumor composed of connective and mucoid tissue.
Origin of myxoma:
myx•om′a•tous-ˈsɒm ə təs(adj.)
a benign tumor of connective tissue containing jellylike material
A tumor of primitive connective tissue.
a tumor made up of a gelatinous tissue resembling that found in the umbilical cord
U.S. National Library of Medicine
A benign neoplasm derived from connective tissue, consisting chiefly of polyhedral and stellate cells that are loosely embedded in a soft mucoid matrix, thereby resembling primitive mesenchymal tissue. It occurs frequently intramuscularly where it may be mistaken for a sarcoma. It appears also in the jaws and the skin. (From Stedman, 25th ed)