Heart, branches of the vagus nerves, lymphatic vessles, and coronary blood vessels, shown in situ and in isolation, in 3 numbered illustrations. 1 illustration of heart with branches of vagus nerve (cranial nerve X), blood vessles, trachea and thyroid gland, and neck muscles. 1 illustration of heart with lymphatic vessles. 1 illustration of coronary arteries and veins, coronary sinus, shown in isolation. Anterior views.