Penile erection and contraction of penile muscles  the spinal and intact dog.
D000818:Animals; D001522:Behavior, Animal; D002818:Cordotomy; D004285:Dogs; D004576:Electromyography; D008297:Male; D009130:Muscle, Smooth / Q000502:physiology*; D010413:Penis / Q000502:physiology*; D012725:Sexual Behavior