| | Alternative Medicine | Trepanation What does the medical terminology combining form perineo- mean? The medical terminology combining form perine- means "perineum." The perineum is the region of the body between the anus and the genitals. Trepanation - Related Articles Get Rid of How to Why ficoll is use for Blood separation? What is tenodesis splint? What is capilliarisation? What Is Trimetazidine? What is the spianl cord to esophagus? What is cystolithopaxy?