Does Masturbation Cause Male Infertility? Did This Texas Law Maker Just Make Male Masturbation a Crime? Prone Masturbation and of penile nerves: , The sensory nerve supply to the penis is derived from, the dorsal nerve of the penis and the ilioinguinal, nerve., The penile dorsal nerve innervates the Fetal Swallowing and Mouth Movements: Key Points, 1. Early Development (Weeks 4 8):, The mouth and jaw structures begin forming., Tongue, palate, and necessary swallowing structures