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Neuro Block 2 > Brainstem And Cerebellum > Flashcards

Brainstem And Cerebellum Flashcards

0
Q

What are the two structures of the ventral midbrain?

A

The cerebral peduncle

The interpeduncular fossa

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1
Q

What CN comes off the ventral midbrain?

A

CN III occularmotor

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2
Q

What four CNs come off the pons?

A

Abducens (center)
Trigeminal both sensory and motor (lateral with the next two)
Facial
Vestibularcochlear

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3
Q

What are the two structures of the ventral pons?

A

Basilar pons

Middle cerebellar peduncle

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4
Q

What is the outcropping on the ventral medulla called?

A

The pyramid

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5
Q

What is the structure on the medulla below the pyramid?

A

The olive

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6
Q

What is a decussation?

A

A crossing

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7
Q

What is the area caudal to the pyramids of the medulla?

A

The pyramid decussation

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8
Q

What crosses at the pyramid decussation?

A

Motor fibers of the corticospinal tract and the corticobulbar tract

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9
Q

What is the olive of the medulla divided into?

A

The pre and post-olivary sulcus

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10
Q

What nerves come off the medulla and in what order?

A

Hypoglossal (from the pyramid)
Glossopharygeal
Vagus
Accessory

The last three come off the olive (pre?)

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11
Q

What sits at the top of the brainstem from a dorsal view?

A

The caudate nucleus

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12
Q

What does the cerebral aqueduct pass through?

A

Midbrain

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13
Q

What lies under the caudate nucleus?

A

The thalamus

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14
Q

What lies under the third ventricle and between the superior colliculus of the dorsal midbrain?

A

The pineal gland

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15
Q

What CN comes off of the dorsal side of the midbrain?

A

The trochlear nerve

16
Q

What nerve comes off of the dorsal side of the midbrain?

A

Trochlear nerve IV

17
Q

What two important tracts run through the cerebral peduncle?

A

Corticospinal

Corticobulbar

18
Q

What does the quadrigeminal plate include?

A

The superior and inferior colliculi

19
Q

At what point does the cerebellum attach and by what?

A

At the pons by the superior, middle, and inferior peduncle

20
Q

What is the name of the colliculus located on the back of the pons?

A

The facial colliculi

21
Q

Where is the vestibular trigone (area)?

A

On the dorsal side of the pons

22
Q

What are the two foramen on the dorsal side of the medulla?

A

Lateral and medial foramen

23
Q

What are the two trigones present on the medulla solely?

A

Hypoglossyl

Vaal

Neuro Block 2 (26 decks)

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