* * *
Surgical incision of the vulva to prevent laceration at the time of delivery or to facilitate vaginal surgery. SYN: vaginoperineotomy. [episio- + G. tome, incision]
* * *
epi·si·ot·o·my i-.piz-ē-'ät-ə-mē, -.pēz- n, pl -mies surgical enlargement of the vulval orifice for obstetrical purposes during parturition
* * *
n.
an incision into the tissues surrounding the opening of the vagina (perineum) during a difficult birth, at the stage when the infant's head has partly emerged through the opening of the birth passage. The aim is to enlarge the opening in a controlled manner so as to make delivery easier and to avoid extensive tearing of adjacent tissues.
* * *
epis·i·ot·o·my (ə-piz″e-otґo-me) [episio- + -tomy] surgical incision into the perineum and vagina to prevent traumatic tearing during delivery.Medical dictionary. 2011.