1. © 2012 Pearson Education, Inc. Posterior pituitary gland Anterior pituitary gland Diencephalon

2. © 2012 Pearson Education, Inc. Cerebellum Cerebrum

3. © 2012 Pearson Education, Inc. Cerebellum Longitudinal fissure Right cerebral hemisphere Left cerebral hemisphere Transverse fissure

4. © 2012 Pearson Education, Inc. Fornix Optic chiasm Cerebral aqueduct Central canal Arbor vitae Inferior colliculus Transverse fissure Superior colliculus Pineal gland Corpus callosum Lateral ventricle

5. © 2012 Pearson Education, Inc. Thalamus Hypothalamus Cerebral peduncle Pons Medulla oblongata Spinal cord Cerebellum Midbrain Cerebrum

6. © 2012 Pearson Education, Inc. Medulla oblongata Pons Midbrain Pituitary gland Hypothalamus Cerebrum Thalamus Pineal gland Cerebellum Spinal cord

7. © 2012 Pearson Education, Inc. Cerebellum Spinal cord Longitudinal fissure Cerebrum Dura mater

8. © 2012 Pearson Education, Inc. Spinal cord Right cerebral hemisphere Left cerebral hemisphere Longitudinal fissure Cerebellum

9. © 2012 Pearson Education, Inc. Optic chiasm Optic tract Oculomotor nerve Pons Vagus nerve Spinal cord Medulla oblongata Trigeminal nerve Cerebral peduncle Mammillary body Infundibulum Optic nerve Olfactory bulb

10. © 2012 Pearson Education, Inc. Inferior colliculi of the corpora quadrigemina Spinal cord Cerebellum Superior colliculi of the corpora quadrigemina Cerebrum

11. © 2012 Pearson Education, Inc. Musculocutaneous nerve Radial nerve Ulnar nerve Median nerve

12. © 2012 Pearson Education, Inc. Ulnar nerve Median nerve

13. © 2012 Pearson Education, Inc. Lateral femoral cutaneous nerve Obturator nerve Femoral nerve Left femoral artery Left femoral vein External iliac artery Internal iliac artery Descending aorta Inferior vena cava Iliopsoas muscle

14. © 2012 Pearson Education, Inc. Common fibular nerve Tibial nerve Sciatic nerve Cauda equina Spinal cord

15. © 2012 Pearson Education, Inc. Retina Optic disc Extrinsic muscle attachments Cornea Sclera Optic nerve Lens

16. © 2012 Pearson Education, Inc. Sclera Cornea Extrinsic eye muscles

17. © 2012 Pearson Education, Inc. Iris Cornea Lens seen through pupil Sclera

18. © 2012 Pearson Education, Inc. Choroid Vitreous humor within the posterior cavity Sclera Extrinsic eye muscles Lens, whole Cornea Pupil Iris