A benign tumefaction, most frequently based in the heart, made up of connective structure embedded in mucus.
A tumor of primitive connective tissue.
A tumor comprised of a gelatinous muscle resembling that found in the umbilical cord.
A tumor comprising mucous muscle — which, a tissue with round, fusiform, or stellate cells in a transparent, semifluid, intercellular substance containing a great deal of mucin. Also referred to as collonema.
a benign tumefaction of connective muscle containing jellylike material