Stack #182866
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| neuroglia | support cells for the neurons
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| support cells for the neurons called | neuroglia
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| neuroglia in peripheral nervous system | satellite cells, schwann cells
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| neuroglia in central nervous system | oligodendrocyte, astrocyte, microglia, ependymal cells
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| satellite cells | regulate o2 co2 nutrient level around neurons
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| astrocyte | maintain blood-brain barrier
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| microglia | remove debris, pathogens by phagocytosis
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| ependymal cells | line ventricles of brain
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| 2 sulci in brain | central, lateral
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| central sulcus divides | frontal, parietal
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| lateral sulcus divides | parietal, temporal
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| frontal brain function | high cognitive, planning, strategy, motor
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| parietal brain function | sensory, perception of self in space
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| temporal function | memory, learning, social, hearing
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| occipital function | vision
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| planning | frontal
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| learning | temporal
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| sensory | parietal
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| social | temporal
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| strategy | frontal
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| motor | frontal
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| memory | temporal
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| postcentral gyrus | parietal, sensory
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| precentral gyrus | frontal, motor
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| projection fiber | to and from cortex
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| fiber connecting to and from cortex | projection fiber
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| commisural fiber | connect two hemispheres
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| fiber connecting two hemispheres | commisural fiber
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| intrahemisphric connection fiber | association fiber
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| association fiber | intrahemispheric fiber
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| brain stem | midbrain, pons, medulla
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| midbrain has CN __ attached to it | 3, 4
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| pons has CN __ attached to it | 5,6,7,8
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| medulla has CN __ attached to it | 9,10,11,12
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| major arteries in brain | communicating (posterior, anterior), cerebral artery (posterior, anterior, middle)
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| spinal cord extends to | L1-2
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| conus medullaris is | where spinal cord ends
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| spinal cord ends at __ region | conus medullaris
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| cell body of afferent or efferent at dorsal ganglion | efferent (sensory)
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| three somatic pathways | 1.Dorsal column
2.Spinothalamic
3.Spinocerebellar
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| Dorsal column cross at | medulla
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| spinothalamic crosses at | spine
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| spinocerebellar crosses at | pons
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| parietal membrane innervated by | somatic nervous system
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| visceral membrane innervated by | autonomic nervous system
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| skeletal muscle innervated by | somatic nervous system
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| number of cervical nerves | 8
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| number of thoracic nerves | 12
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| number of lumbar nerves | 5
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| number of sacral nerve | 5
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| cell body of afferent present in | dorsal root ganglion
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| cell body of efferent present in | ventral horn
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| nerve organization | axon(endoneurium), fascicle(perineurium), spinal nerve(epineurium)
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| somatic nerve plexuses | brachial, lumbar, lumbosacral plexus
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| path of sympathetic efferent nerve | 1. lateral horn
2. white ramen
3. sympathetic gang chain
4. grey ramen
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| how many axons emerge from CNS for somatic efferent? | 1
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| which of sympathetic or parasympathetic has shorter postganglionic fiber | sympathetic
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| sympathetic emerge from __ of spinal cord | T1 - L2
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| parasympathetic emerge from __ of spinal cord | CN 3,7,9,10, S2, S3, S4
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| initial segment of axon | axon hillock
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| CNS floats in | cerebrospinal fluid
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| different layers of meninges on brain | dura mater, arachnoid mater, pia mater
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| which layer of meninges has a webby appearance | arachnoid mater
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| Red Nucleus found in | Midbrain
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| Substantia nigra found in | Midbrain
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| which neuron in midbrain when degenerated causes parkin's disease | substantia nigra
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| which neuron in midbrain causes flexing of upper body | red nucleus
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| two motor pathways | corticonuclear pathway, corticospinal pathway
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| function of basal nuclei | modulate activity in the corticospinal to ensure coordinated movement
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| neurons for corticospinal pathways originate from | primary motor cortex, primary sensory cortex, premotor+supplementary motor cortex
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| what does corticonuclear pathway control | head, neck
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| what does corticospinal pathway control | limbs
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| axons from left motor cortex control __ side | right
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| which spinal nerve only innervates medial posterior part of body? | dorsal primary ramus
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| which spinal nerve innratees all areas except for medial posterior | ventral primary ramus
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| CN acronyms | old
opie
occasionally
tries
trig
and
feels
very
gloomy
vague
and
hypoactive
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| only CN to bypass thalamus | olfactory nerve
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| 3 trigeminal nerves | v1-ophthalmic v2-maxillary v3-mandibular
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| CN5 called __ serves as a conduit for parasympathetic CN __, ,,,. | trigeminal, CN 3, 7, 9
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| parasympathetic CN | CN 3, 7, 9, 10
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| ganglions in CN5, Which nerve do they synapse with | ciliary-CN3
pterygopalatine-CN7
otic-CN9
submandibular-CN7
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| general sensation to 2/3 anterior tongue | V3 of CN5
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| facial nerve branches into | ten, zebra, bit, my, cat
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| CN7 attached to | pons
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| CN3 attached to | midbrain
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| CN10 attached to | medulla
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| CN8 attached to | pons
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| post gang nerve of ciliary is __ and it controls | CN3, pupil constriction
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| post gang nerve of pterygopalatine is __ and it controls | CN7, lacrimal gland
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| post gang nerve of otic is __ and it controls | CN9, parotid gland
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| post gang nerve of submandibular is __ and it controls | CN7, submandibular, sublingual
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| ciliary ganglion part of which nerve | V1 of CN5
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| pterygopalatine gnaglion part of which nerve | V2 of CN5
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| V1 is called | ophthalmic
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| otic ganglion part of which nerve | V3 of CN5
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| submandibular ganglion part of which nerve | V3 of CN5
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| V2 is called | maxillary
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| V3 is called | mandibular
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| taste to anterior 2/3 of tongue | VII-facial nerve
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| which CN important for gag reflex | CN9, CN10
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| sensory to posterior 1/3 tongue | CN 9
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| taste to posterior 1/3 tongue | CN 9
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| movement of tongue | CN 12
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Created by:
honghee
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