BULBOSPONGIOSUS
Origin
Perineal body (and midline raphe over corpus spongiosum in male)
Action
Male:aids emptying of urine and ejaculate from urethra. Female: closes vaginal introitus
Insertion
Superficial perineal membrane and dorsal penile/clitoral aponeurosis
Nerve
Perineal br of pudendal N (S2, 3, 4)
