The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. How do you treat a bacterial infection in urine? Unlike the anal triangle, the urogenital triangle has an additional layer of strong deep fascia; theperineal membrane. The perineal region is supplied with arterial blood by the following blood vessels: The venous return is similar to the arterial homolog. Other fibers cross anteriorly and blend with the superficial transverse perineal muscles, while others attach to the anococcygeal raphe posteriorly. . Sleep J, Grant A, Garcia J, Elbourne D, Spencer J, Chalmers I. [1] Located on either side of the lower pelvis, it takes part in supporting and raising the pelvic floor and allows various pelvic structures to pass through it. The levator ani muscle is a broad, thin muscle that forms the greater part of the floor of the pelvic cavity and is innervated by the fourth sacral nerve. This nerve also controls the muscles in the leg that lift the ankle and toes upward. It attaches to the inferior margins of the ischiopubic rami, enclosing the anterior portion of the pelvic outlet. Underneath your perineums skin are multiple layers of connective tissue, fatty tissue, muscles and membranes. The skin covering your perineum contains multiple nerve endings that help with sexual arousal and response. Perineum. One of these, melatonin, helps regulate the body's internal clock, including the sleep-wake cycle. Perineal massage during labor: a systematic review and meta-analysis of randomized controlled trials. The perineum is an anatomical region in the pelvis. Standring, Susan, Neil R Borley, and Henry Gray. Inside your body, your perineum contains structures that help you pee, poop and have intercourse. Childbirth is the most common cause of injury to your perineum. Fig 6 An episiotomy is delivered to avoid tearing of the perineum and/or the pelvic floor. Women's sexuality after childbirth: a pilot study. The skin of the perineum is extremely sensitive as a result of its rich innervation. //