Identify regions on the ventral surface of a sheep brain. Point out the full brainstem and temporal lobes and describe functions of the following: Offactory bulb (CN 1) Brainstem Optic nerve (CN II) Medulla: Offactory tract Optic chiasm Pons: Optictract Infundibulum Pituitary gland Hypothalamus: Trigeminal nerve (CN V) Olfactory bulbs: Abducens nerve (CN VI) Optic chiasm: Medulla oblongata Spinal cord