cranial nerves
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| I. Olfactory Nerve | ability to smell
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| II. Optic Nerve | back of eye occipital lobe for vision
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| III. Oculomotor Nerve | one of three nerves that move the eye
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| IV. Trochlear nerve | one of three that move the eye
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| V. Trigeminal Nerve | mastication/chewing
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| VI. Abducent Nerve | one of three that move the eye
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| VII. Facial Nerve | nerve of the face/ expressions , saliva tears , taste sensation
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| VIII. Vestibulocochlear | aprt of the inner ear equilibrum/ hearing
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| IX. glossopharnyngeal | tongue/pharynx taste swallow, saliva secretion
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| X. Vagus Nerve | viscera/organs
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| XI. Accessory nerve | Traps /Scm head movement
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| XII. Hypoglossal Nerve | moving the tongue for speech
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| C1 | no spinous process, vertebral foramen wide transverse processes articulates w/ occipital condyles
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| C2 | Bifid process on the spinous processes dens axis in pivot joint, first disc in between transverse and spinous processes
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| Thoracic | 12- vertebrae T1-T12 ribs attach to transverseprocesses & body of vertbra, ribs attach to facets
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| Lumbar | 5 vertebrae L1-L5 longest, thickest small transverse processes
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| Sacrum | 5 Vertebrae fused into 1 S1-S5 illums and coxals
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| Coccyx | 1 Vertbrae cooccyxgeal
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| adult | extend L1-L2
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| baby | extend L2-L3
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| Conus Medullaris | tapering end of spinal cord as high as T12 as low as L3
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| Cauda equina (horse Tail) | spinal nerve roots that are a bundle
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| Denticulate LIgaments | lateral to spinal cord, guide wire to stablelize spinal cord a pia mater extension
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| Filum Terminate | a pia mater extension direct contact to spinal cord serves as a anchor
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| spinal tap/ lumbar | done below taper end of spinal cord
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| intervertbral foramen | between all vertbrae opening for spinal nerves
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| roots | attach spinal cord and nerves together , very specific either sensory or motor
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| posterior/dorsal spinal cord | sensory root carry info into the spinal cord
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| anterior/ventral spinal cord | carry motor info out of spinal cord
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| spinal nerves | sensory & motor mixed
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| rami | nerve surface from vertebral branches
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| dorsal rami | innervate deep back muscles
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| ventral rami | form a braid of nerves or plexus, there are 4 plexus
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| cervical plexus | neck-spinal nerves c1-c4
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| brachial plexus | neck C5-C8 & T1
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| lumbar plexus | L1-L4
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| Sacral Plexus | L4-S4
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| Laminar groove | between transverse & spinous processes
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| Laminectomy | remove section of the bone to relieve pressure on spinal cord
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| cervical movement | flexion lateral flexion rotation extension
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| thoracic movements | rotation, lateral flexion
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| lumbar movement | lateral flexion rotation flexion extension
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