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Category:Cranial Nerve Examination - Horse
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Revision as of 16:07, 9 March 2011
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===[[Tongue Movement]] ===
===[[Tongue Movement]] ===
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* The hypoglossal nerve, CN XII provides motor innervation to the [[Tongue - Anatomy & Physiology|tongue]].
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* Normally, a horse resists the [[Tongue - Anatomy & Physiology|tongue]] being retracted from the mouth.
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** The horse will quickly return the tongue after it is pulled out to the side.
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* Horses with hypoglossal weakness appear differently.
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** The [[Tongue - Anatomy & Physiology|tongue]] may protrude from the mouth.
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** Chronic unilateral hypoglossal lesions may result in unilateral tongue atrophy.
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** Bilateral hypoglossal lesions may result in difficulty prehending food.
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* Horses with cerebral dysfunction may have signs corresponding to tongue weakness.
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** However, [[Tongue - Anatomy & Physiology|tongue]] atrophy is not present in these animals.
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[[Category:Cranial Nerve Examination - Horse]]
[[Category:Neurological Examination - Horse|C]]
[[Category:Neurological Examination - Horse|C]]
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