1. Neuroglia Cells Neuroglia Cells astrocyte capillary neuron microglial cell ependymal cells Schwann cellsatellite cells unipolar neuron oligodendrocyte myelin sheath axon nodes of Ranvier satellite cells cell body

2. Nerve Structure Nerve Structure Axon Schwann cell endoneurium fascicle perineurium epineurium blood vessels fascicle fascicle fascicle epineurium perineurium

3. Sheep’s Brain Sheep’s Brain thalamus hypothalamus pituitary gland cerebellum arbor vitae midbrain cerebral peduncle corpora quadrigemina pons corpus callosum lateral ventricle pineal gland fourth ventricle medulla oblongata cerebral aqueduct fornix meninges - dura mater, pia mater cerebral cortex

4. Spinal Cord lumbar enlargement cervical enlargement cauda equina filum terminale conus medullaris cervical nerves - 8 pairs thoracic nerves - 12 pairs lumbar nerves - 5 pairs sacral nerves - 5 pairs coccygeal nerve - 1pair

5. Cochlear Structure scala vestibuli scala tympani cochlear duct organ of Corti basilar membrane tectorial membrane receptors (hair cells) basilar membrane tectorial membrane cochlear nerve cochlear nerve

6. Endocrine Glands Pitutary Gland posterior anterior Adrenal Gland medulla - internal cortex - external Pancreas – Isles of Langerhans