The Olfactory System Flashcards

1
Q

What are the primary sensory neurons for the olfactory system

A

Olfactory sensory neurons

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2
Q

Olfactory sensory neurons have axons that come together to form the

A

Olfactory nerve Which is a bundle of axons going to the brain

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3
Q

The old factory nerve synapses with secondary sensory neurons in

A

The old factory bulb

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4
Q

Secondary sensory neurons project through the ________ To the olfactory cortex

A

Olfactory track Which is a bundle of axons in the brain

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5
Q

What produces the mucus that the cilia sit in

A

Bowmans gland

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6
Q

Basal cell

A

Stem cell, they’ll replace olfactory sensory neurons every two months

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7
Q

How does the older affect the primary sensory neurons also called the old factory receptor cells

A

Odorant molecules dissolve in the mucus

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8
Q

What cranial nerve does the old factory receptor cells axons make up

A

Cranial nerve one

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9
Q

What happens in the glomerulus

A

The bulbs have the synapse of axon terminal’s of primary sensory neurons and dendrites of the secondary sensory neurons

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10
Q

What do the granule and periglomerular cells do

A

Support and clarify information

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11
Q

What are mitral and tufted cells

A

Secondary sensory neurons, their axons for my tract that Will go to the olfactory cortex

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12
Q

True or false receptors that respond odor are G protein coupled receptors

A

True

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13
Q

Each olfactory receptor cell expresses only a single

A

Olfactory receptor gene

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14
Q

Each receptor can bind numerous

A

Odorant molecules

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15
Q

Explain sensory transduction

A

See binder

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16
Q

Describe the pathway (6)

A

See binder

17
Q

Why might the amygdala be important in smell

A

Smell me remind you of something and then evoke an emotion like fear or sadness

18
Q

Why made the hypothalamus be involved and smell

A

Smell like you to eat, drink or have sex