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Integrative Neuroscience > Sensory Systems: Smell and Taste > Flashcards

Sensory Systems: Smell and Taste Flashcards

1
Q

Odor has little _____.

A

biological correlate

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2
Q

The most consistent distinction of odor is between _____ and _____.

A

pleasant

unpleasant

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3
Q

The main olfactory system detects _____.

A

volatile chemicals

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4
Q

The accessory olfactory system detects _____.

A

fluid phase chemicals (pheromones)

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5
Q

The vomeronasal organ regulates _____, _____, or _____ behavior.

A

sexual
parental
agressive

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6
Q

ORN

A

olactory receptor neuron

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7
Q

Bowman’s glands secrete _____.

A

mucus

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8
Q

Mucus protects _____ and acts as a _____.

A

ORNs

solvent

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9
Q

ORNs have to be replaces every _____.

A

10 mins

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10
Q

The _____ contains stem cells that regenerate olfactory neurons throughout life.

A

olfactory epithelium

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11
Q

ORNs show _____ patterns of expression.

A

spatially distinct

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12
Q

ORNs project to the _____.

A

glomeruli in olfactory bulb

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13
Q

Glomeruli are selective for _____.

A

specific odor

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14
Q

Axons in the glomeruli converge on the dendrites of _____.

A

mitral cells

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15
Q

_____ and _____ modulate the activity of mitral cells.

A 
Granule cells (lateral inhibition)
tufted cells
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16
Q

The olfactory tract’s main target is the _____.

A

pyriform cortex

17
Q

The pyriform cortex projects to higher areas including the _____ and _____.

A

orbitofrontal cortex

amygdala

18
Q

Anosmia

A

inability to detect one or more odors

19
Q

Olfaction, taste and trigeminal recetptors contribute to _____.

A

flavor

20
Q

Olfaction contributes to flavor during _____.

A

exhalation

21
Q

Taste buds reside in the _____ and _____.

A

tongue

larynx

22
Q

Axons from taste buds run in cranial nerves _____, _____, and _____.

A

VII, IX, X

23
Q

Taste buds sit in trenches around _____.

A

papillae

24
Q

3 types of papillae:

A

fungiform
foliate
circumvallate

25
Q

5 categories of taste

A 
bitter
sour
sweet
umami (MSG)
salty
26
Q

Each quality of taste has its own _____.

A

receptor

Integrative Neuroscience (8 decks)

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