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Nervous System

Explore the intricate workings of the nervous system, from nerve anatomy to brain divisions. Learn about neurons, synapses, and the Central and Peripheral Nervous Systems. Discover key terms and pathological conditions affecting the nervous system.

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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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