Dissection of the groin in male and female, superficial dissection, in 4 numbered illustrations. Dissection of the male groin to show rectus abdominis muscles, spermatic cord, penis shown in transverse section, anterior view. 1 illustration of female groin, to show fascia, rectus abdominis muscles partly visible, vulva intact, anterior view. 2 illustrations of the rectus sheath surrounding the umbilicus.