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Senses
Name and classification of various senses
11
Anatomy
Undergraduate 1
10/24/2012

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Cards

Term
Nociceptors
Definition
  • pain receptors
  • free nerve endings
  • sensitive to: extremes of temperature, mechanical damage, and dissolved chemicals
Term
Thermoreceptors
Definition
  • temperature receptors
  • free nerve endings located in the dermis, skeletal muscles, liver, and hypothalamus
  • very active when the temperature is changing, but quickly adapt to stable temperatures
Term
Mechanoreceptors
Definition
  • sensitive to stretching, compression, and twisting
  • Three types: 1-tactile (touch) 2- baroreceptors (pressure) 3- proprioceptors (position)
Term
Tactile receptors
Definition
  • provide sensations of touch, pressure, and vibration
Term
Baroreceptors
Definition
  • pressure receptors
  • helps regulate various autonomic activities such as: digestion, urination, blood pressure monitoring, respiration, and defecation
Term
Proprioceptors
Definition
  • position receptors
  • monitor position in space
Term
Chemoreceptors
Definition
  • chemical receptors
  • respond to water-soluble and lipid-soluble substances (ex: detect changes in ph, O2, and CO2 in blood or CSF)
Term
Olfaction
Definition
  • the sense of smell
  • olfactory nerve firers extend out of the olfactory bulb, which sits on the cribriform plate, and down into the olfactory epithelium to detect smell
Term
Gustation
Definition
  • taste receptors
Term
Vision
Definition
[image]
Term
Hearing
Definition
[image]
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