Brain and cerebellum, cranial nerves, spinal nerves, in 5 numbered illustrations. Illustration of skull base with most of brain removed to show cranial nerves, superior view. Skull and facial nerve (cranial nerve VII), lateral view. Cerebellum in isolation. Brain, inferior view to show cranial nerves and circle of Willis. Spinal nerves in isolation, showing brachial plexus and lumbar plexus.