musculus bulbospongiosus
[TA] bulbospongiosus muscle: origin, central point of perineum, median raphe of bulb; insertion, fascia of penis (male) or clitoris (female); innervation, pudendal; action, constricts spongy urethra in males and vaginal orifice in females, contributes to erection of penis or clitoris. Called also bulbocavernosus or bulbocavernous muscle.
Medical dictionary.
2011.