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In inferior view, find: All cranial nerves (this image is not ideal for finding all the cranial nerves) Frontal lobe Temporal lobe Cerebellum Folia Cerebral peduncles Optic chiasma Pons Medulla oblongata Pyramids Olives Spinal cord Choroid plexus LOCATE corpus callosum Anterior comissure Posterior comissure infundibulum pituitary gland pineal gland hypothalamus mammillary body thalamus Intermediate mass Fornix Choroid plexus optic chiasm cerebral peduncles superior colliculus inferior colliculus cerebral aqueduct pons cerebellum Arbor vitae medulla oblongata spinal cord 4th ventricle • Note olfactory tract, optic nerve & optic chiasm, Cerebral peduncle of midbrain Oculomotor nerve Olfactory tract Spinal cord Medulla oblongata pons Optic nerve Optic tract Optic chiasm Sheep brain frontal section Sheep brain frontal section 7. vertebral artery 8. dura mater 8a. Subarachnoid space 17. ventral root 19. Dorsal root ganglion 20.spinal nerve 20a branch of spinal nerve 24. Pia mater 40. grey matter 41 white matter Ramus communicante Sympathetic trunk Find: Dorsal, ventral, lateral columns, dorsal, lateral, ventral horns, white and gray commissures, central canal, anterior median fissure, dorsal median sulcus, ventral root, dorsal root, dorsal root ganglion, spinal nerve, ventral ramus, dorsal ramus, rami communicans (communicantes).