| Term 
 
        | contributes to homeostasis by provididng quick responsis to stimuli |  | Definition 
 
        | spinal cord and spinal nerves |  | 
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        | Term 
 
        | function as highways for nerve impulse  propagation |  | Definition 
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        | Term 
 
        | has 2 main functions, nerve impulse propagation, info integration _____ |  | Definition 
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        | Term 
 
        | make up the different regions, columns surrounding the gray matter, ______ |  | Definition 
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        | Term 
 
        | receives and integrates incoming and outgoing info,______ |  | Definition 
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        | Term 
 
        | three conntective tissue coverings that encircle the brain and spinal cord, ______ |  | Definition 
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        | 2 types of connective tissue coverings that protect the spinal cord, _____ |  | Definition 
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        | contains a cushion of fat and connective tissue, _____ |  | Definition 
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        | Term 
 
        | contains interstitial fluid, ________, the middle meninx, avascular covering |  | Definition 
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        | Term 
 
        | consists of interlacing bundles of collagen fibers and some fine elastic fibers, _______, the innermost meninx |  | Definition 
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        | Term 
 
        | ______ receives and integrates incoming and outgoing information |  | Definition 
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        | Term 
 
        | ____, help with the integration of sensory info in the CNS |  | Definition 
 
        | Interneurons (association neurons) |  | 
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        | Term 
 
        | ____ surrounds the gray matter, primarily bundles of myelinated axons of neurons |  | Definition 
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        | Term 
 
        | forms the crossbar of the H,______ |  | Definition 
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        | Term 
 
        | Contains cerebral spinal fluid_______, located in the center of the gray commisure and extends the entire length of the spinal cord |  | Definition 
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        | Term 
 
        | clusters of cell bodies in the gray matter of the brain and spinal cord are _____ |  | Definition 
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        | Term 
 
        | ______ receive input from receptors via sensory  neurons |  | Definition 
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        | Term 
 
        | ______ provide output to effector tissue via motor neurons |  | Definition 
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        | Term 
 
        | regions of gray matter on each side of the spinal cord, ____ |  | Definition 
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        | axons that conduct impulses toward the brain, _______ |  | Definition 
 
        | sensory (ascending) tract |  | 
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        | Term 
 
        | axons that carry impulses down the spinal cord |  | Definition 
 
        | motor (descending) tracts |  | 
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        | Term 
 
        | how does the spinal cord promote homeostasis |  | Definition 
 
        | by conducting impulses along tracts |  | 
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        | Term 
 
        | how is the name of the tract descriptive |  | Definition 
 
        | indicates position and where it begins and ends |  | 
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        | Term 
 
        | How many pairs of nerves? |  | Definition 
 
        | 31 pairs of mixed nerves, motor and sensory fibers |  | 
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        | Term 
 
        | axons of multipolar motor neurons, located in gray matter, ________ |  | Definition 
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        | Term 
 
        | name 3 connective tissue coverins of spinal nerves |  | Definition 
 
        | endoneurium, perineurium and epineurium |  | 
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        | Term 
 
        | the ______ is the innermost layer which wraps individual axons |  | Definition 
 
        | endoneurium, myelinated or not |  | 
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        | Term 
 
        | wraps fasicles, bundles of axons,______ |  | Definition 
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        | Term 
 
        | the innermost layer of spinal nerves is _______ |  | Definition 
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        | Term 
 
        | the superficial covering of the entire nerve is the ________ |  | Definition 
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        | Term 
 | Definition 
 
        | singular=ramus, branches=rami |  | 
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        | Term 
 
        | serves deep muscle and skin of the dorsal trunk |  | Definition 
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        | Term 
 
        | serves muscles and structures of the limbs and skin of lateral and ventral surfaces of trumk |  | Definition 
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        | Term 
 
        | supplies the vertebrae,, vertebral ligaments bl vessels of the spinal cord and meninges |  | Definition 
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        | Term 
 
        | components of the autonomic nervous system, ______ |  | Definition 
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        | Term 
 
        | a network of nerves veins or lymphatic vessels |  | Definition 
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        | Term 
 
        | name 5 principal plexuses |  | Definition 
 
        | cervical, brachial lumbar, sacral coccygeal |  | 
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        | Term 
 
        | the ___ supplies the skin and muscles |  | Definition 
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        | Term 
 
        | the phrenic nerves arise from the _____ and supply motor fibers to the diaphram |  | Definition 
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        | Term 
 
        | the _____ provide the entire nerve supply of the shoulders and upper limbs |  | Definition 
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        | Term 
 
        | 5 important nerves arise in the brachial plexus |  | Definition 
 
        | axillary nerve, musculocutaneous, radial, median ulnar |  | 
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        | Term 
 
        | the _____ supplies the deltoid and teres minor |  | Definition 
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        | Term 
 
        | the ________ supplies the flexors of the arm |  | Definition 
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        | Term 
 
        | the _______ supplies most of the muscles of the anterior forearm and some fo the hand |  | Definition 
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        | Term 
 
        | the ______ supplies the muscles of the posterior aspect of the arma nd forearm |  | Definition 
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        | Term 
 
        | the _____ supplies the anteromedial muscles of the forearm and most of the muscles of the hand |  | Definition 
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        | Term 
 
        | the _____- supplies he anterolatera abdominal wall, ext genitals and lower limbs |  | Definition 
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        | Term 
 
        | the largest nerve in the body |  | Definition 
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        | Term 
 
        | the area of skin that provides sensory input to the cns via one pair of spinal nerves that aids dr in nerve damage to the spinal column is _____ |  | Definition 
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        | Term 
 
        | ____ in the spinal cord are highways for nerve impulse generation |  | Definition 
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        | Term 
 | Definition 
 
        | propagate impulses from sensory receptors up the spinal cord to the brain and are part of the somatic sensory pathway |  | 
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        | Term 
 
        | motor descending tracts propagate |  | Definition 
 
        | impulses from the brain down the spinal cord towards the effectors, part of the somatic motor pathway |  | 
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        | Term 
 
        | conveys sensory impulses for pain and temperature |  | Definition 
 
        | lateral spinothalmaic tract |  | 
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        | Term 
 
        | posterior columns carry impulses for |  | Definition 
 
        | proprioception, discriminative touch, 2 pt discrimination, light pressure sensations, vibration sensation |  | 
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        | Term 
 
        | the perception of the position of body parts esp limbs independent of vision |  | Definition 
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        | Term 
 
        | the recognition of the location shape size and texture of mechanical obj that contact skin |  | Definition 
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        | Term 
 
        | ability to discern that two nearby obj touching the skin are truly 2 distinct pts |  | Definition 
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        | a ribbon like tract that extends from the medulla to the thalamus |  | Definition 
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        | ability to recognize size shape and texture of an object by touching |  | Definition 
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        | Term 
 
        | awareness of the precise position of  body parts |  | Definition 
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        | Term 
 
        | precise vol movements of limbs hands and feet |  | Definition 
 
        | direct pyramidal pahtways |  | 
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        | Term 
 
        | precise vol movements of limbs hands and feet |  | Definition 
 
        | direct pyramidal pahtways |  | 
        |  |