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ARE SPECIALIZED CELLS OR ORGANS THAT TRANSDUCE INFORMATION FROM THE EXTERNAL OR INTERNAL ENVIRONMENT INTO NEURAL IMPULSES
Are sensitive to stimuli from the external enviroment are located close to the surface of the body.
receives impulses from tissues directly associated with musculoskeletal movement and position. ( joint position in space)
are embedded in the bellies of muscles and are stretch sensitive responding to stretch with signals that tell the muscle to contract- to prevent the muscle from over streching.
golgi tendon organs
responds to touch!! Its in the tendons at the muscuo-tendonus junctions. they tell the muscles to relax- to protect the tendon from being pulled to tightly.
joint and skin proprioceptors
(around the joint) surrounds joint capsules and under the skin. they responed to pressure and send information about joint position to the central nervous system. (mostly the cerebellum of the brain.)
are in the inter ear- and are essential for balance and equilibrium. inter ear is our balance!!
types of proprioceptors include?
2.goli tendon organs
5. SENSORY NEURONS (afferent)
6. motor neuron (efferent)
sensory neurons (afferent)
are unipolar and cell bodies.Located in the dorsal root ganglia. There axons enter the dorsal horn of the spinal cord- where they synapse with either association neurons or motor neurons.
motor neuron (efferent)
this single type of neuron may supply from 10-2000 muscles fibers. It deprnds on the degree of fine motor control needed.
are triggered by golgi tendon organs located in tendons close to where they join the muscles.
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