324Lecture11 nervous tissue

324Lecture11 nervous tissue - Nerve Tissue & The...

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Unformatted text preview: Nerve Tissue & The Nervous System Part Two Terminology: a) Nerve - collection of neurons in PNS. b) Ganglion - collection of neuron nerve cell bodies in PNS. c) Tract - collection of neurons in CNS. d) Nuclei - collection of neuron nerve cell bodies in CNS. Nerves Cranial Nerves: 12 pairs of cranial nerves (I to XII). Spinal Nerves: 31 pairs of spinal nerves. Ganglia Ganglia: Neuron cell bodies, glia, reticular fibers Sensory Ganglia: Cranial Ganglia- cranials 5,7,8,9,10 Dorsal Root Ganglia - in dorsal root of all spinal nerves pseudounipolar neurons Histology - nerve cell bodies clumped to one side with prominent fiber bundles between. Autonomic Ganglia Series of ganglia connected together parallel to spinal cord; (Sympathetic chain), Multipolar Neurons Ganglia deep in body cavity (coeliac; superior and inferior mesenteric); sympathetic motor. Parasympathetic - on surface of or in target organs; Spinal Cord CNS Spinal Cord - organized into gray matter in center and white matter on surface. Hollow central canal is filled with cerebrospinal fluid....
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This note was uploaded on 01/04/2012 for the course BIO 324 taught by Professor Crawford during the Spring '09 term at Western Kentucky University.

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324Lecture11 nervous tissue - Nerve Tissue & The...

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