General special senses

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General special senses
2014-04-29 22:37:34

first easy topics
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  1. senses mainly in head (eyes, ears, etc)
    Special Senses
  2. sensory receptors that cover most of the body
    General senses
  3. receptors of chemical changes like blood concentration (smell and taste)
    Chemo receptors
  4. tissue damage receptors (mechanical, electrical, thermal, or chemical
    Pain receptors
  5. receptors of temp change
    Thermo receptors
  6. changes that deform the receptors (touch and ears [balance and vibrations])
  7. receptors that deal with muscle tendon tension
  8. receptors of blood pressure change
  9. lung inflation receptors
    stretch receptors
  10. light energy receptors
  11. what adaptation allows us to ignore andor pay attention to only particular stimulus
    sensory adaptation
  12. simple structure found in epithelial tissue feels the senstation of itching
    free nerve endings
  13. small oval masses found on hairless skin such as fingertips  and lips sensation of fine touch
    tactile (meissners) corpuscles
  14. large nerves found in deeper dermal in hands urethra and tendons sensation of heavier touch and stretch
    Lamellated (pacinian) corpuscles
  15. sensative to body structure changes like touch, pressure, temp, and pain
    Exteroreceptive senses
  16. viseral changes like blood pressure and ph in intestine
  17. changes in body position like muscles and tendons
  18. most sensitive from 25C to 45C or 77 F to 113 F above that is unresponsiveness
    warm receptors
  19. more senstive from 10C or 50F to 20 C or 68 F
    Cold Receptors
  20. organ pain is also known as
    Visceral pain
  21. this is a type of pain that may show be felt in another area than where its actual sight is at
    Referred pain
  22. sharp quick pain where the axons are myelinated is called
    A delta Fibers or acute pain
  23. most visceral pain is this due to the slow impulses of unmyelinated axons
    C Fibers or chronic pain