BULBOCAVERNOSUS MUSCLE By N., Pam M.S. - April 7, 2013 The muscle in the perineum that works to constrict the urethra and move urine out of the body. Also called bulbospongiosus muscle. BULBOCAVERNOSUS MUSCLE: "The bulbocavernosus muscle also helps men ejaculate." Related Psychology Terms BULBOCAVERNOSUS MUSCLE SKELETAL MUSCLE URINATION URETHRA BETA BLOCKERS JACKSONIAN MARCH BULBOURETHRAL GLANDS SMOOTH MUSCLE MUSCLE BULBOURETHRAL GLANDS Cite this page: N., Pam M.S., "BULBOCAVERNOSUS MUSCLE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/bulbocavernosus-muscle-2/ (accessed September 21, 2020).