Prolapse of Uterus Glossary Interiotus - Vaginal orifice. Orifice - Opening. Hysterectomy - Surgical removal of uterus. Nulliparous - A condition when a woman has never given birth to a child. Atony - Loss of tone. Ascite - Fluid collection. Decubitus Ulcer - Ulcers formed on the body due to prolonged confinement to bed. Published on Apr 05, 2014Last Updated on Apr 05, 2014