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BIO 211 Trident Tech > Chapter 14: Special Senses > Flashcards

Chapter 14: Special Senses Flashcards

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Biology 101 flashcards
1
Q

Sensory Receptors

A
  • Provides information about external and internal environments
  • Responds to stimuli
  • Classified according to location, structure, function, and modality
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2
Q

Free Nerve Endings

A

Pain and Temperature

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3
Q

Encapsulated Endings

A

Pressure and Touch

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4
Q

Receptor Cells

A

Photoreceptors

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5
Q

Exteroceptors

A

Detect stimuli from the external environment

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6
Q

Interoceptors

A

Detect internal organ stimuli

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7
Q

Chemoreceptors

A

Chemical stimuli

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8
Q

Nociceptor

A

Pain

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9
Q

Mechanoreceptors

A

Physical stimuli
Sound
Balance

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10
Q

Thermoreceptors

A

Temperature

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11
Q

Osmoreceptors

A

Solute concentrations

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12
Q

Proprioceptors

A

Located near moving body parts

Detects limb movement, muscle stretch, and contraction

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13
Q

Sensory Modality: General Sense

A
  • Distributed throughout the body

- Touch, pressure, and pain

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14
Q

Special Sense

A
  • Taste (gustation)
  • Smell (olfactory)
  • Hearing, vision, equilibrium
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14
Q

Special Sense

A
  • Taste (gustation)
  • Smell (olfactory)
  • Hearing
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15
Q

Papillae

A

Raised bumps on the tongue

16
Q

Fungiform Papillae

A
  • Mushroom-shaped
  • Few taste buds
  • Located on tip and sides of the tongue
17
Q

Filiform Papillae

A
  • Short and spiked
  • No taste buds; help manipulate food
  • Located on anterior two-thirds of tongue
18
Q

Foliate Papillae

A
  • Has few taste buds

- Located on lateral tongue

19
Q

Circumvallate Papillae

A
  • Contains most taste buds

- Located in V-shaped row along the posterior tongue

20
Q

Taste Buds

A
  • Within papillae
  • Contains gustatory receptor cells
    • detects chemicals (tastants) dissolved in saliva
    • has microvilli (taste hairs) that are stimulated by tastants
21
Q

Facial Nerve II (CN VII)

A

Innervates taste buds from the anterior two-thirds of the tongue

22
Q

Glossopharyngeal Nerve (CN IX)

A

Innervates taste buds from the posterior one-third of the tongue

23
Q

Vagus Nerve (CN X)

A

Innervates taste buds from the pharynx

24
Q

Sweet Taste

A

Dissolved glucose

25
Q

Salty Taste

A

Sodium in saliva

26
Q

Sour Taste

A

Hydrogen Ions

27
Q

Bitter Taste

A

Alkaloids

28
Q

Urnami Taste

A

L-Glutamate (Msg)

29
Q

Olfaction

A

Detection of odorants dissolved in mucus

30
Q

Odorants

A

Chemicals dissolved in nasal mucus that are detected by chemoreceptors

BIO 211 Trident Tech (1 decks)

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