255. Inguinal Region: Dissections 256. Inguinal Canal and Spermatic Cord 258. Posterior Abdominal Wall: Internal View 259. Arteries of Posterior Abdominal Wall 260. Veins of Posterior Abdominal Wall 261. Lymph Vessels and Nodes of Posterior Abdominal Wall 262. Nerves of Posterior Abdominal Wall 268. Peritoneum of Posterior Abdominal Wall 276. Mucosa and Musculature of Large Intestine