Topic 9: Integumentary System - Cutaneous Sense Receptors Flashcards

1
Q

What is a receptor?

A
  • sensory neuron (part of NS)
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2
Q

What are cutaneous sense receptors?

A
  • specialized cell that responds to stimuli (touch, temp, pain)
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3
Q

What are the 4 major types of cutaneous sense receptors?

A
  • touch receptors
  • pressure receptors
  • Thermoreceptors
  • Nociceptors
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4
Q

What are 3 types of hair receptors?

A
  • free nerve endings
  • root hair plexuses
  • Meissner’s corpuscles
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5
Q

Where are free nerve endings located?

A
  • in epidermis
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6
Q

Where are Meissner’s corpuscles located?

A
  • in dermal papillae
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7
Q

What are corpuscles?

A
  • connective tissue capsule surrounding nerve ending
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8
Q

What are the two types of pressure receptors?

A
  • free nerve endings (in dermis)
  • Pacinian corpuscles
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9
Q

Where are Pacinian corpuscles located?

A
  • deep in dermis or epidermis
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10
Q

What are thermoreceptors?

A
  • free nerve endings for temperature
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11
Q

What are nocireceptors?

A
  • free nerve endings for pain
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12
Q

What happens when you get a third degree burn?

A
  • no pain because nocireceptors are burned
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