Sheep brain (right sagittal section)
1. Arbor vitae (of cerebellum)
2. Corpus callosum
3. Fornix
4. Optic chiasma
5. Hypothalamus
6. Mammillary body
7. Lateral ventricle
8. Thalamus
9. Pineal body
10. Tectum
11. Cerebral aqueduct
12. Pons
13. Medulla oblongata
14. Spinal cord
15. Anterior commissure
16. Corpora quadrigemina