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GSA or somatic sensory
transmit impulses from skin, muscles and joints to the spinal cord and brain stem
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GSA cell body location
dorsal root ganglia of spinal nerves and sensory ganglia of cranial nerve V, VII, IX, and X
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GSE or somatic motor
innervate skeletal muscles derived embryologically from somites
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GSE cell body location
- ventral horn of the spinal cord and brain stem
- CN III, IV, VI and XII
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GVA or visceral sensory
convey impulses from structures that contain smooth muscle, cardiac muscle and glands
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GVA cell body location
found in dorsal root ganglia and sensory ganglia of CN IX and X
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GVE or visceral motor
innervate smooth muscle, cardiac muscle, and glands
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where are preganglionic sympathetic cells of GVE located?
in the lateral horn (T1-L2) of the spinal cord
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Where are the preganglionic parasympathetic cells of GVE located?
brain stem (CN III, VII, IX, and X) and the sacral cord (S2,3,4)
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Special somatic afferent
found in those cranial nerves serving special senses of vision (CN III) and hearing and balance (CN VIII)
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Special viseral afferent
transmit impulses from special senses of the visceral type, namely, smell (I) and taste (VII, IX and X)
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Special visceral efferent or branchial motor
innervate skeletal muscles derived embrologically from the branchial arches.
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What are the muscles of SVE
- mm of facial expression
- masication mm
- muscles of larynx, pharynx, palate,
- sternocleidomastoid, trapezii, stylopharyngeous
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What are the nerves of the voluntary branchoimeric muscles
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functional components of olfactory nerve
SVA (smell)
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functional components of optic nerve
SSA
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functional components of oculomotor nerve
GSE & parasympathetic GVE
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functional components of trochlear
GSE
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functional components of trigeminal
GSA and SVE
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functional components of abducens
GSE
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functional components of facial
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functional components of vestibulocochlear
- SSA hearing
- SSA equilibrium
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functional components of glossopharyngeal
- SVE
- Parasympathetic GVE
- GSA and GVA (sensory)
- SVA (taste)
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functional components of vagus
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functional components of accessory cranial portion
branchial motor SVE
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functional components of Accessory Spinal portion
SVE
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functional components of Hypoglossal
GSE
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Olfactory SVA peripheral distribution
Olfactory mucosa (upper part of nasal mucosa)
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Optic SS peripheral distribution
retina
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oculomotor GSE peripheral distribution
- superior, inferior and medial recti;
- inferior oblique; levator palpebrae superioris
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Oculomotor GVE peripheral distribution
sphincter pupillae and ciliaris muscle for pupillary constriction and accommodation
- Constriction (parasympathetic)
- dilation (sympathetic)
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Trochlear GSE peripheral distribution
Superior oblique muscle of eye
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trigeminal GSA peripheral distribution
Sensory: Face; cornea; scalp; dura; teeth; mucosa of mouth; anterior 2/3 of tongue; nose and paranasl air sinuses; skin of ear and external acoustic meatus
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Trigeminal SVE peripheral distribution
- Motor root:
- Muscle of mastication, mylohoid and ANT bell of diastric, tensores tympani and palati
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Abducens GSE peripheral distribution
Lateral rectus muscle of eye
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Facial SVE peripheral distribution
- Motor root:
- Facial muscles, posterior belloy of digastric, stylohyoid, and stapedius
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Facial GVE peripheral distribution
- Sensory: glands of nose and palate; lacrimal gland
- Submandibular and sublingal salivary glands
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Facial GSA peripheral distribution
- skin of ear and external acoustic meatus
- (general)
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Facial SVA peripheral distribution
ANT 2/3 of tongue taste
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Vestibulocochlear SSA peripheral distribution
- Hearing: Organ of corti
- Equilibrium: semicircular ducts; utricle and saccule
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glossopharyngeal SVE peripheral distribution
Stylopharyngeus muscle
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Glossopharyngeal GVE peripheral distribution
parotid gland
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Glossopharyngeal GSA and GVA peripheral distribution
Skin of external acoustic meatus; mucosa of pharynx, soft palate, Posterior 1/3 of tongue(touch), tympanic cavity; carotid sinus and body
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glossopharyngeal SVA peripheral distribution
Posterior 1/3 of tongue (taste)
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Vagus SVE peripheral distribution
muscles of pharynx, palate, and larynx
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Vagus GVE peripheral distribution
smooth muscle and glands of pharynx, larynx, trachea, and thoracic and abdominal viscera (excluding hindgut)
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Vagus GSA peripheral distribution
skin of ear and external acoustic meatus
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Vagus GVA peripheral distribution
pharynx, larynx, trachea, thoracic and abdominal viscera (excluding hindgut)
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Vagus SVA peripheral distribution
Epiglottis (taste)
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Accessory Cranial portion SVE peripheral distribution
with branches of vagus for muscles of pharynx, palate and larynx
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Accessory Spinal portion SVE peripheral distribution
Sternomastoid and trapezius muscles
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Hypoglossal GSE peripheral distribution
intrinsic and extrinsic muscles of the tongue
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