Systems of life No 80. Systems and signs: reproductive system - 1. Mostly male.
D002675:Child, Preschool; D006801:Humans; D008297:Male; D010409:Penile Diseases / Q000175:diagnosis*; D010413:Penis / Q000502:physiology*; D013733:Testicular Diseases / Q000175:diagnosis*; D013737:Testis / Q000502:physiology*