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Nervous System

Nervous System. Anatomical. Nerves Neuron A stimulus excites the dendrites ---- cell body (nucleus) ----- axon (carries the impulses ) away from the cell body --- myelin sheath (a fatty tissue covering the axon) a . Schwann cell b . White matter c . Grey matter

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Nervous System

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  1. Nervous System

  2. Anatomical Nerves Neuron A stimulus excites the dendrites ---- cell body (nucleus) ----- axon(carries the impulses) away from the cell body --- myelin sheath (a fatty tissue covering the axon) • a. Schwann cell • b. White matter • c. Grey matter • d. Synapse • e. Ganglion Acetylcholine

  3. Nervous System Divisions Central Nervous System (CNS) • brain – encephala • spinal cord – myel Peripheral Nervous System • Autonomic Nervous System • a. Sympathetic nervous system • b. Parasympathetic nervous system • Efferent (motor) nerves • Afferent (sensory) nerves • Associative nerves

  4. Divisions of the brain • Frontal • Parietal • Occipital • Temporal

  5. Divisions of the brain • Cerebrum a. Cerebral cortex • Cerebellum • Brainstem a. Pons b. Medulla oblongata c. Midbrain d. Interbrain 1. Pituitary gland 2. Hypothalmus 3. Thymus 4. Cerebrospinal Fluid (CSF) 5. Meningies

  6. Vocabulary • Depression • Stupor • Paralysis • Paresis • Ataxia • Tremor • Nystagmus • Plexus • Coma

  7. Pathological Conditions • Epilepsy • Spina Bifida • Middle Ear Infections • Rabies • Roaring • Meningitis

  8. Pathological Conditions • Hydrocephalus • Radial nerve damage • Downer cow • Schiff-Sherrington Syndrome • Vestibular Disease • Horner’s Syndrome

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