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Neuroanatomy > Order Neurons And Pathways Of Special Senses > Flashcards

Order Neurons And Pathways Of Special Senses Flashcards

1
Q

List the olfactory pathway

A

Olfactory epithelium & olfactory nerves

Olfactory bulb

Olfactory tract & olfactory striae

Olfactory cortical areas

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2
Q

1st order neurone of the olfactory pathway and the cells involved

A

Olfactory epithelium

  • Olfactory receptor cells
  • Supporting cells
  • Basal cells
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3
Q

2nd order neurone for olfactory pathway and cells involved

A

Cells synapsing in olfactory glomeruli

  • Mitral cells
  • Tufted cells
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4
Q

Unique feature of olfactory pathway

A
  • Only 2 neurones
  • No relay in thalamus - directly to cortex
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5
Q

1st order neurone of the taste pathway

A

Geniculate ganglion
Superior petrosal ganglion
Inferior ganglion

Of facial, glossopharyngeal and vagus nerves

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6
Q

2nd order neurone of the taste pathway

A

Nucleus tractus solitarius (in medulla oblongata)

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7
Q

3rd order neurone of the taste pathway

A

Thalamus

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8
Q

1st order neurone of the auditory pathway

A

Bipolar neurons of spiral ganglion (in cochlear nerve)

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9
Q

2nd order neurone of auditory pathway

A

Dorsal & ventral cochlear nuclei (in medulla oblongata)

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10
Q

3rd order neurone of the auditory pathway

A

Superior olivary (in pons)

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11
Q

1st order neurone of the vestibular pathway

A

Vestibular ganglion

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12
Q

2nd order neurone of vestibular pathway

A

Vestibular nuclei (in medulla oblongata)

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13
Q

1st order neurone of the visual pathway

A

Bipolar cells

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14
Q

2nd order neurone of the visual pathway

A

Ganglion cells

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15
Q

3rd order neurone of the visual pathway

A

Lateral geniculate nucleus (in thalamus)

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16
Q

What are the two types of visual pathway

A

Dorsal - calculates objects location

Ventral - creates a sense of perception

17
Q

Describe the visual pathway

A
  • Optic nerve
  • Ganglion cells
  • Optic chiasm
  • Optic tract
  • Lateral geniculate nucleus
  • Optic radiation
  • Primary visual cortex
18
Q

4th order neurone of auditory pathway

A

Inferior colliculus (in midbrain)

19
Q

5th order neurone of auditory pathway

A

Medial geniculate body (in thalamus)

20
Q

3rd order neurone of the vestibular pathway

A

Thalamus

Neuroanatomy (11 decks)

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