Inferior rectal nerve supplies external anal sphincter, levator ani, skin of anal canal, circumanal skin
Deep perineal branch supplies perineal spaces muscles
Posterior labial nerve supplies skin of peritoneum & external genitalia
Dorsal nerve of clitoris supplies corpora cavernosa of penis, skin of clitoris
Reference Netter's Plates 390, "Nerves of Pelvic Viscera: Female" and 391, "Nerves of Perineum and External Genitalia: Female"
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