
169. Veins of Spinal Cord and Vertebral Column 
174. Nerves of Back 
175. Suboccipital Triangle 
176. Lumbar Region of Back: Cross Section 
177. Typical Thoracic Spinal Nerve: Cross Section 
180. Arteries of Mammary Gland 
185. Anterior Thoracic Wall 
186. Anterior Thoracic Wall (continued) 
187. Anterior Thoracic Wall: Internal View
