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Anatomy (ME) > Cerebellum & 4th ventricle > Flashcards

Cerebellum & 4th ventricle Flashcards

1
Q

What is the cerebellum involved in?

A

Coordination of movement

balance

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2
Q

What is the name of the midline of the cerebellum that joints the ovoid hemispheres together?

A

Vermis

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3
Q

What does the over layer of the vermis consist of?

A

Grey matter

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4
Q

What does the inner core of the vermis consist of?

A

White matter with deep nuclei

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5
Q

What is the name of the transverse curving fissure which give the cerebellum their individual ridges?

A

Folia

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6
Q

What are folia on the cerebellum?

A

Transverse curving fissures which give the cerebellum their individual ridges

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7
Q

Where does the cerebral aqueduct run?

A

Through the midbrain

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8
Q

What does the cerebral aqueduct connect?

A

The 3rd and 4th ventricle

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9
Q

Where are the substantia nigra located?

A

on each of the cerebral peduncles

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10
Q

loss of substantial nigra = in what disease?

A

Parkinson

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11
Q

What is the substantia nigra?

A

black band of nerve cells in the tegmentual area

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12
Q

What is the red nucleus?

A

circular mass of grey area located in the tegmentum next to the substantia nigra

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13
Q

What are the tonsil in the brain?

A

prominent red swelling of the cerbellar cortex located on either side of the vermis

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14
Q

What is the flocculus?

A

ovoid in shape with crinkled edge

lie posterior to the lateral foramen of 4th ventricle

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15
Q

What is the nodule located in the cerebellum?

A

continuation of the flocculus

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16
Q

What is the flocculo-nodular lobe concerned with

A

vestibular information from the ear

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17
Q

What is the name of the largest deep cerebellar nuclei?

A

Dentate nucleus

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18
Q

What is the dentate nucleus important in?

A

Planning, initiating and control of movement

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19
Q

What is the rhomboid fossa?

A

diamond shaped floor of the 4th ventricle

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20
Q

What are the names of the 2 tubercles located on the dorsal column nuceli?

A

Gracile and cuneate

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21
Q

What does the median sulcus divide?

A

The rhomboid fossa into left and right halves

22
Q

What lie in the floor of the 4th ventricle?

A

Nuclei of the lower cranial nerves

23
Q

What is the obex?

A

Inferior apex of the rhomboid fossa

24
Q

What is the area postrema associated with?

A

Nausea control

25
Q

What does the area postrema lack?

A

a blood brain barrier

26
Q

What will injury to the cerebellum cause?

A

Loss of coordination (NOT MOVEMENT)

27
Q

What does the outer grey matter contain?

A

nuclei and ganglia (cell bodies)

28
Q

What does the inner white matter contain?

A

axons

29
Q

What does the superior cerebellar peduncle do?

A

Rely information back to the midbrain

30
Q

What does the middle cerebellar peduncle do?

A

information from the cerebellar to the pon

31
Q

What does the inferior cerebellar peduncles do?

A

Connects the cerebellum to the medulla

32
Q

what is the job of the corpus callosum?

A

communicating between the 2 hemispheres

33
Q

What is the posterior end of the corpus callosum called?

A

splenium

34
Q

What is the job of the splenium?

A

Part of the visual pathway

35
Q

What does the diancepalon contain?

A

The thalamus and hypothalamus

36
Q

What is located between the 2 halves of the diancephalon?

A

the 3rd ventricle

37
Q

What is the job of the intraventricular foramen?

A

permits CSF flow from the lateral ventricles to the 3rd ventricle

38
Q

What does the 4th ventricle continue with?

A

the spinal cord

39
Q

Which parimary cortex and a 2x thicker grey matter?

A

The priamry motor cortex

40
Q

What are the names of the 2 primary cortexes in the brain?

A

The primary visual cortex

the primary somatosensory cortex

41
Q

Where does the central sulcus run?

A

The midpoint of the hemispheres to the medial surface

42
Q

What shape does the paracentral cortex form?

A

U shape

43
Q

What sulcus runs above the corpus callosum?

A

The cingulate sulcus

44
Q

What does the cingulate sulcus seperate?

A

the cingulate gyrus

45
Q

Whta cortex lies in the wall of the calcarine sulcus

A

the primary visual cortex

46
Q

What is the fornix?

A

bundle of white matter beneath the corpus callosum

47
Q

What does the fornix connect?

A

the hippocampus to the opposite hemispheres

48
Q

What forms the dorsal part of the diencephalon

A

the thalamus

49
Q

What forms the ventral part of the diencephalon

A

the hypothalamus

50
Q

What info does the medial geniculate body relay?

A

Auditory information

51
Q

What info does the lateral geniculate body relay?

A

visual information

Anatomy (ME) (23 decks)

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