15.7 sense of touch and other cutaneous senses

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Author:
XQWCat
ID:
117240
Filename:
15.7 sense of touch and other cutaneous senses
Updated:
2011-11-16 12:17:46
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vet tech
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Description:
15.7 the special senses: sense of touch and other cutaneous senses
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  1. free nerve ending
    sensory dendritic nerve endings located close to surface of skin and around hair follicles
  2. hyperalgesia
    a state of excessive sensitivity to pain at the site of an injury
  3. Krause end bulb
    globular nerve structure deep in skin, believed to be receptor for heat and cold, along with free nerve endings and capillary responses (also called Krause's corpuscle)
  4. Meissner's (tactile) corpuscle
    small oval body in corium (layer of skin below epidermis) with interlaced sensory fibrils and epithelioid cells believed to be receptors for light touch, along with free nerve endings
  5. nociception
    the peripheral and central nervous system processing of information about the external or internal environment related to tissue damage, including the quality, intensity, location and duration of stimuli
  6. nociceptors
    specialized peripheral receptors that signal actual or potential tissue damage by mechanical, thermal or chemical stimuli
  7. nocioperception
    the conscious interpretation of sensory information as unpleasant; the perception of pain
  8. Pacinian corpuscle
    oval sensory body located deep in subcutaneous layer; appears to be receptor for heavy pressure (also called lamellated corpuscle)
  9. pain
    an unpleasant sensory or emotional experience associated with actual or potential tissue damage
  10. Ruffini corpuscle
    oval sensory end structure in corium believed to be receptor for warmth; also seems to be function of free nerve endings and capillary responses
  11. vibrissae
    large tactile hairs found on the faces of many animals, commonly called whiskers

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