ventriculoperitoneal shunt /-per′itənē″əl/ [L, ventriculus + Gk, peri, around, teinein, to stretch; ME, shunten] , a surgically created passageway consisting of plastic tubing and one-way valves between a cerebral ventricle and the peritoneum for the draining of excess cerebrospinal fluid from the brain in hydrocephalus.
