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abducens |
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abducens [ab′dyü·sənz] (neuroscience) The sixth cranial nerve in vertebrates; a paired, somatic motor nerve arising from the floor of the fourth ventricle of the brain and supplying the lateral rectus eye muscles. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Cranial nerve involvement is usually limited to the vestibulocochlear
and facial nerves, but trigeminal and abducens nerve palsies have also
been reported. Some of the secondary vestibular
neurons receiving innervation from the ipsilateral labyrinth have axons
that decussate and synapse in the contralateral abducens nucleus,
whereas others ascend ipsilaterally to the oculomotor nucleus. Abducens ~
movements ~
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