BULBOSPONGIOSUS
| ORIGIN Perineal body (and midline raphe over corpus spongiosum in male) |
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| INSERTION Superficial perineal membrane and dorsal penile/clitoral aponeurosis |
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| ACTION Male:aids emptying of urine and ejaculate from urethra. Female: closes vaginal introitus |
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| NERVE Perineal branch of pudendal nerve (S2, 3, 4) |