myxoma (miks-o'mah)

Syn.: collonema. An embryonic ti ue tumor consisting of a homogeneous or finely fibrillated, soft, gelatinous, mucin like basement substance in which are imbedded a variable number of spheroidal, fusiform, branching, and often anastomosing cells. Their consistency resembles Wharton's jelly of the umbilical cord. They may contain few or many blood ve els and nerves, cartilaginous m. A m. which either has a firmer consistence than usual or contains cells like those of cartilage, cystic m., cystoid m. A m. containing parts so fluid as to resemble cysts, enchondromatous m. A m. containing nodules of hyaline cartilage. erectile m. See telangiectatic m. fibrous m. A m. consisting largely of fibrous ti ues, intra canalicular m. of the mamma. A m. developing in the interstitial connective ti ue of the mamma, and sending polypoid expansions into the dilated ducts of the gland, lipomatous m. A m. containing much fat. m. lipoma to des. See lipomatous m. telangiectatic m., vascular m. A m. of highly vascular structure. [Gr., myxa, mucus, + oma, tumor.]