ANAT 2646 Trigeminal and Facial Nerves

ANAT 2646 Trigeminal and Facial Nerves - digastric, and...

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Trigeminal Nerve (GSA) 1st order - Trigeminal ganglion (semilunar, Gaussian) 2nd order - Trigeminal nuclei mesencephalic pontine (chief, principal) medullary 3rd order - VP nuclei of the thalamus
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Trigeminal Nerve (GSA) Divisions ophthalmic maxillary mandibular trigeminothalamic tract (contralateral) 3rd order neurons terminate in the sensory cortex
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Trigeminal Nerve (SVE) Mandibular division only !!! Innervates muscles of mastication, tensor tympani, tensor palati 1st order neuron is corticobulbar
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Trigeminal Nerve Cerebellum Motor cell groups (reflexes)
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Facial Nerve Motor Sensory Parasympathetic
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Facial Nerve Facial Motor Nucleus Innervates muscles of facial expression, platysma, stylohyoid, posterior belly of the
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Unformatted text preview: digastric, and stapedius Upper motor neurons to the upper face are bilateral to lower face - crossed Facial Nerve Preganglionic parasympathetic (superior salivatory nucleus in the pons) Submandibular ganglion submandibular gland lingual gland Pterygopalatine ganglion lacrimal galnd nasal and oral mucosa Facial Nerve Cutaneous to the ear 1st order - geniculate ganglion2nd order spinal trigeminal nucleus Facial Nerve Taste anterior 2/3 of the tongue, floor of the mouth and palate 1st order - geniculate ganglion 2nd order - rostral NTS 3rd order - VP thalamus terminates in sensory cortex...
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This note was uploaded on 11/23/2011 for the course ANAT 2646 taught by Professor Ronaldg.mayne during the Winter '11 term at Life Chiropractic College West.

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ANAT 2646 Trigeminal and Facial Nerves - digastric, and...

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