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26 Cards in this Set
- Front
- Back
Fiber
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long process of a neuron, nerve fiber or neuron fiber
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Nerve
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whitish PNS structures filled with neuron fibers which innervate the body's parts
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Ramus
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a branch, we name the major branches off the spinal nerve trunks...white ramus,gray ramus,dorsal ramus, and ventral ramus
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Axolemma
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outer plasma membrane(plasmalemma) of an axon
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Neurilemma
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coveriing around a neuron fiber created by a surrounding cell(may be mylinated)
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Vertebral Canal(Neural Canal)
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passageway created by the continuous nature of vertebral foramina
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Central Canal
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tiny channel found within the spinal cord and inferior medulla oblongata
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Aqueduct
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passageway....cerebral aqueduct of Sylvius
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Leptomeninx
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Thin membrane, collective term for arachnoid mater and pia mater
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Pachymeninx
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Thick membrane.term used for dura mater
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Somesthetic
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to sense the body
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Modality
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specific sensory entity, such as taste, smell, pain
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Proprioception
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modality of subconscious awareness of body position and muscle movement
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Kinesthesia
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modality of conscious awareness of body position and muscle movement
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Adrenergic
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releasing of an adrenalin-like(NE included) molecules at a target site
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Cholinergic
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releasing of an choline-like(ACH) molecules at a target site
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Chiasma
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A crossing-usually relating to the crossing of optic fibers
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Decussation
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A crossing-used to indicate crossing of fibvers and tracts in the CNS
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Contralateral
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to the opposite side
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Ipsilateral
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On the same side
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Anterograde
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Going forward. or going away from the neuron cell body
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Retrograde
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Going backwards. or going towards the neuron cell body
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Fugal
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Travelling away from. used as a suffix....pallisdalfugal(away from the pallidal nuclei)
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Lesion
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any type of injury, damage or 'Hurt' can be called a lesion
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Myelopathy
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lesion of the spinal cord(rarely used for entire CNS)
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Necrosis
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Deadness. Death of cells or tissue
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