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GSSE Anatomy > CNS > Flashcards

CNS Flashcards

1
Q

Where does the pineal gland sit? Inferior, superior, posterior

A

Inferior to the splenium
Superior to the colliculus
Posterior to the thalamus

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2
Q

Is there a blood brain barrier at the pineal gland?

A

No

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3
Q

What does the pineal gland produce?

A

Melatonin

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4
Q

What are the descending spinal column tracts?

A

Pyramidal and extrapyramidal tracts

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5
Q

What are the pyramidal spinal tracts?

A

Corticospinal tract and corticobulbar tracts

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6
Q

What are the extrapyramidal spinal tracts?

A

Reticulospinal, vestibulospinal, rubrospinal, tectospinal

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7
Q

What are the ascending spinal tracts?

A

The conscious and unconscious tracts

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8
Q

What are the conscious spinal tracts?

A

Ascending

dorsal column–medial lemniscal pathway and the anterolateral system (anterior and lateral spinothalamic tracts)

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9
Q

What are the unconscious spinal tracts?

A

Ascending

Spinocerebellar tracts

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10
Q

What travels in the anterior spinothalamic tract?

A

Sensation of crude touch and pressure

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11
Q

What travels in the lateral spinothalamic tract?

A

Pain and temperature

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12
Q

What travels in the corticospinal tract?

A

Voluntary control of body musculature, pyramidal tract

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13
Q

What are the dorsal columns divided into?

A

Gracile and cuneate tracts

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14
Q

What are the ventral nerve roots?

A

EFFERENT motor root

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15
Q

What are the dorsal nerve roots?

A

AFFERENT sensory root

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16
Q

What does a far lateral disc herniation effect?

A

The upper spinal nerve root

17
Q

What does the genu in the internal capsule contain?

A

corticonuclear fibres destined for the brainstem

18
Q

What does the posterior limb of the internal capsule contain?

A

Fibres destined for the corticospinal tracts

Largest part of internal capsule

19
Q

What is the foramen of Monro?

A

The foramen of Monro allows CSF flow from the lateral ventricles to the third ventricle. Least likely to be obstructed

20
Q

Where is Broca’s area?

A

The motor speech area of Broca is located in the inferior frontal gyrus of the left cerebral hemisphere in right-handed people as well as in most left-handed people.

21
Q

Where is Wernicke’s area?

A

The posterior speech area of Wernicke is located in the posterior area of the superior and inferior temporal gyrus and the lower part of the parietal lobe

GSSE Anatomy (11 decks)

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