10-26-2012, 03:14 PM
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I said it, so I feel it, dick
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Join Date: Jul 2004
Location: Here
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Re: A revolution in thought
http://musom.marshall.edu/anatomy/gr..._cranerv1.html
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A. SSA (Special Somatic Afferents) (Atlas Figs. 9.4, page 814)
1. II (Optic nerve) ‑ vision (actually a brain tract); primary receptors (rods and cones) in retina; axons of ganglion cells of retina form optic nerve; half of axons cross over to opposite side at optic chiasm.
2. VIII (Vestibulocochlear nerve) ‑ auditory and vestibular sensation; cell bodies in cochlear and vestibular apparatus.
B. SVA (Special Visceral Afferents) ‑ Smell and taste.
1. I (Olfactory nerve) ‑ smell; cell bodies in olfactory epithelium; axons project through fila olfactoria to olfactory bulb. (Atlas Fig. page 800)
2. Taste ‑ more complex ‑ distributed over several cranial nerves. (Atlas Fig. 7.52B)
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Special somatic afferent - Wikipedia, the free encyclopedia
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Special somatic afferent (SSA) refers to afferent nerves that carry information from the special senses of vision, hearing and balance. The cranial nerves containing SSA fibers are the optic nerve (II) and the vestibulocochlear nerve (VIII). "SSA" may also stand for "special sensory afferent", however this term encompasses both special somatic and special visceral afferents.[1]
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http://psy.sabryfattah.com/neuroscie...ranial-nerves/
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II Optic nerve Special somatic afferent (SSA) Vision and associated reflexes
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