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Nervous system ppt
The document provides a comprehensive overview of the nervous system, detailing its organization into the central and peripheral nervous systems, and describing the roles of neurons and supporting cells. It elucidates the functions of the brain's various regions, including their contributions to sensory processing, motor control, and reflex actions. Additionally, it covers the mechanics of nerve impulse transmission, including synaptic communication and the structure of ascending and descending tracts in the spinal cord.
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Editor's Notes
- #11 Glutamate -Sensory neurons and cerebral cortex
- #26 Acetylcholine (ACh) is an excitatory neurotransmitter secreted by motor neurons that innervate muscle cells, basal ganglia, preganglionic neurons of the autonomic nervous system, and postganglionic neurons of the parasympathetic and sympathetic nervous systems.
- #39 Ventral posterolateral nucleus.- in thalamus of brain.
- #40 Decussate in spinal cord or medulla oblongata
- #44 Babinski Reflexes
- #46 Babinski Reflexes