Abdominal organs, vagus nerve (cranial nerve X) and sympathetic nerves, in 7 numbered illustrations. Dissection of abdominal organs in situ, omentum and transverse colon reflected to show intestines and mesenteries. Esophagus, stomach and intestines, shown in isolation, dissection of structures to show pharyngeal muscles, layers of the stomach, and ileocecal valve. Vagus nerve and sympathetic trunk shown in isolation. Anterior views.