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49 Cards in this Set
- Front
- Back
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Gray Matter and White Matter
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Gray Horns: Anterior, Lateral and Posterior
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Columns/Funiculus of White Matter: Anterior, Lateral and Posterior
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Anterior Median Fissure and Posterior Median Sulcus
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Gray Commissure and Central Canal
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Dorsal and Ventral Root
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Dorsal Root Ganglion
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Sympathetic Chain & Sympathetic Ganglion
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Conus Medullaris
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Filum Terminale
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Cauda Equina
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Cervical Plexus
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C1-C5
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Brachial Plexus
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C5-T1
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Lumbosacral Plexus
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T12-S4
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Lumbar Plexus
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T12-L4
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Sacral Plexus
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L4-S4
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Why No Ventral Root Ganglion?!?!?!?!
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ventral motor efferent fibers are in cell bodies in ventral (anterior) gray horn
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Cervical Enlargement
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C4-T1
innervate upper limbs |
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Lumbar Enlargement
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T11-L1
innervate lower limbs |
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Cauda Equina
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a bundle of spinal nerves that innervate the Pelvic organs and the Lower Limbs
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3 Meninges of the Spinal Cord (same as brains)
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Dura Matter
Arachnoid Matter Pia Matter |
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Subarachnoid Space
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between arachnoid and pia mater
contains CSF |
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Where is lumbar puncture done?
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On or Bellow L3 or L4 so spinal cord is not severed. Most spinal cords extent to L2 or L3
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Fasiculi
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bundles of nerve fibers
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Funiculi
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bundle of fasiculi
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Somatic Reflex
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voluntary conscious movement
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Autonomic Reflex
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involuntary movement. ALL REFLEXES ARE autonomic reflexes
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Ciliospinal Reflex
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Dilation of Pupils on painful stimuli
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Oculocardiac Reflex
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slowing of heart rate on ocular pressure
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why did the frog not feel pain when the foramen magnum was pithed
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no more sensory pathway
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what did the frog do when the toe was pinched with forceps
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flexion at the hip
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cross reflex response
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when rt foot was held and toe on rt is pinched the Lt side flexed
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What did the frog do when dorsal body wall was wiped with acid
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flexion at hip (attempting to remove it)
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What did the frog do when the ventral body wall was wiped with acid
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reaches with front and hind legs attempting to remove it
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What happened when the sciatic nerve was cut on one side
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no response on that side
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Patellar Reflex
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extension at the knee
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Achilles Reflex
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plantar flexion at ankle
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Babinski Reflex
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if positive (fanning of toes) = damage to higher centers or descending tract
normal to be positive before age 2 or before walking starts |
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Axillary Nerve
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Radial Nerve
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Musculocutaneous Nerve
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Ulnar Nerve
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Median Nerve
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Intercostal Nerves
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Obturator Nerve
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Femoral Nerve
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Sciatic Nerve
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Tibial Nerve
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Common Fibular Nerve
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