noun. a genetic disorder marked by the development of benign nodule-like growths or tumors of the brain, skin, and eye. Kinds of phakomatosis include cerebroretinal angiomatosis, von Recklinghausen’s disease, encephalotrigeminal angiomatosis, and tuberous sclerosis.
PHAKOMATOSIS (PHACOMATOSIS): “Phakomatosis is inherited, and is likely to be passed on to subsequent offspring.”