Chapter 13

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Author:
jmali921
ID:
290644
Filename:
Chapter 13
Updated:
2014-12-04 18:56:39
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Anatomy PI
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Description:
A&P I
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  1. Define "exteroceptor"
    • respond to stimuli arising outside the body
    • receptors are located in the skin 
    • detect touch, pressure, pain and temperature
    • most sense organs
  2. Describe "interoceptors"
    • respond to stimuli arising in the viscera and blood vessels
    • senstive to chemical changes, tissue stretch, and temperature changes
  3. describe "proprioceptors"
    • respond to stretch in skeletal muscles, tendons, joints & connective tissue coverings of bones & muscles
    • continuously inform the brain of the bodes position and movements
  4. this type of receptor continuously informs the brain of the body's position and movements
    proprioceptors
  5. _______ receptors detect general senses
    simple
  6. General senses include
    • tactile sensations (touch, pressure, stretch, vibration)
    • Temperature, pain and muscle sense
  7. _______ receptors detect the special sense
    complex receptors
  8. Special senses include
    • vision 
    • hearing
    • equilibrium 
    • smell
    • taste
  9. Describe the steps of nerve finer regeneration in a peripheral nerve
    • The axon becomes fragmented at the injury site
    • Macrophages clean out the dead axon distal to the injury
    • Axon sprouts. grow through a regeneration tube formed by SCHWANN CELLS 
    • The axon regenerates and a new myelin sheath forms
  10. a group of neuron cell bodies located in the PNS
    ganglion

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