Abdominal and thoracic organs of a neonate, heart, and penis, scrotum and cremaster muscle, shown in situ and in isolation, in 3 numbered illustrations. Thoracic and abdominal wall divided and reflected to show trachea, thyroid gland. Heart and lungs removed to show aorta, esophagus, stomach, pancreas, kidney, ureters, bladder, inferior vena cava, and iliac arteries and veins. Anterior view. 1 illustration of the heart shown in isolation, right atrium and ventricle divided to show interior. 1 illustration of penis, scrotum and cremaster muscle shown in isolation, lateral view.