Basal Nuclei & Ventricles Flashcards

1
Q

Basal nuclei are masses of β€”β€”β€”β€” in the β€”β€”β€”β€”β€”β€”-?

A

Gray matter in the base of cerebral hemispheres

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2
Q

Basal nuclei are imp in the β€”β€”β€”β€”&β€”β€”β€”β€”?

A

Control posture & voluntary movement

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3
Q

TRUE OR FALSE
Basal nuclei are not connected directly to the spinal cord ?

A

True

( Slide 28 )

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4
Q

Basal nuclei include ? (3)

A

1- corpus striatum ( caudate & lentiform nuclei )
2- amygdaloid
3- claustrum

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5
Q

The head of caudate nucleus forms β€”β€”β€”& β€”β€”- wall of β€”β€”- lateral ventricle ?

A

Floor & lateral wall of anterior horn

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6
Q

The head of caudate nucleus fuses inferiorly with β€”β€”?

A

Lentiform

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7
Q

body caudate nucleus forms β€”β€”β€”β€” of central part of β€”β€”- ventricle ?

A

Floor , lateral

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8
Q

Tail caudate nucleus forms ?

A

Roof of tail of lateral ventricle

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9
Q

Tail of caudate nucleus continues with β€”β€”β€”β€”?

A

Amygdala

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10
Q

In between caudate & lentiform is β€”β€”β€”-?

A

Internal capsule

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11
Q

The parts of lentiform nucleus ?

A

1- putamen (large dark )
2- Globus pallidus ( small pale )

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12
Q

External capsule separates lentiform laterally from β€”β€”β€”β€”-?

A

Claustrum

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13
Q

Internal capsule separates lentiform medially from β€”β€”β€”β€”-?

A

Caudate & thalamus

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14
Q

Corpus striatum is ?

A

Caudate & lentiform with anterior limb of internal capsule in between

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15
Q

Caudate & lentiform are important β€”β€”β€”β€”- nuclei ?

A

Extrapyramidal nuclei

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16
Q

Clausrum site ?

A

Deep to insula lateral to external capsule

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17
Q

Amygdala site ?

A

Tip of inferior horn of lateral ventricles

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18
Q

Amygdala function?

A

Part of limbic system

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19
Q

Blood supply of basal nuclei anterior part ?

A

Anterior cerebral A

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20
Q

Blood supply of basal nuclei posterior part ?

A

Middle cerebral artery

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21
Q

Lesion of basal nuclei causes (7)?

A

1- movement : involuntary or slow
2- inc muscle tone
3- muscle spasm & rigidity
4- problem finding the words
5- tremors
6- uncontrolled repeated movement (tics )
7- walking difficulty

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22
Q

Lateral connected to 3rd ventricle by β€”β€”β€”- foramen?

A

Interventricular (monro )

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23
Q

Lateral connected to 3rd ventricle by β€”β€”β€”- foramen?

A

Interventricular (monro )

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24
Q

Lateral ventricle has 4 parts ?

A

1- anterior horn
2- Central (body
3- posterior horn
4- inferior horn

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25
Q

Anterior horn of lateral ventricle lies in ?

A

Frontal lobe
In front of interventricular foramen

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26
Q

Roof of Anterior horn of lateral ventricle ?

A

Corpus callosum

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27
Q

Anterior to Anterior horn of lateral ventricle ?

A

Genu of corpus callosum

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28
Q

Floor of Anterior horn of lateral ventricle? (2)

A

1- head of caudate
2- rostrum of corpus callosum

29
Q

Medially to Anterior horn of lateral ventricle?

A

Septum pellucidum

30
Q

Central part of lateral ventricle extend from β€”- to β€”β€”- ?

A

Interventricular fossa to splenium of corpus callosum

31
Q

1) Roof Central part of lateral ventricle & 2) floor β€”β€”β€”?

A

1) corpus callosum
2) thalamus & body of caudate nucleus

32
Q

Medially to Central part of lateral ventricle ?

A

Septum pellucidum

33
Q

Posterior horn of lateral ventricle lies in ?

A

Occipital lobe

34
Q

Posterior horn of lateral ventricle laterally (2) ?

A

1- tapetum
2- optic radiation

35
Q

Posterior horn of lateral ventricle Medially (2) ?

A

1- forceps major
2- calcar Avis

36
Q

Inferior horn of lateral ventricle lies in ?

A

Temporal lobe

37
Q

Roof of Inferior horn of lateral ventricle ?

A

Tail of caudate & amygdala

38
Q

Floor Inferior horn of lateral ventricle ?

A
  • Hippocampus & its pes
  • collateral eminence
39
Q

Diencephalon is between & below , above ?

A

2 cerebral hemispheres
below the corpus callosum &
above the brain stem

40
Q

The diencephalon is the cavity of?

A

3rd ventricle

41
Q

The 3rd ventricle divides the diencephalon into 2 parts (dorsal & ventral by the β€”β€”β€”β€”β€”β€” ?

A

Hypothalamic sulcus

42
Q

Third ventricle its in cavity β€”β€”- between β€”β€”β€”β€”?

A

Cavity of diencephalon
Narrow slit like between 2 thalami

43
Q

Anterior Boundaries of 3rd ventricle ? (3)

A

1- fornix (columns)
2- anterior commissure
3- lamina terminalis

44
Q

Roof Boundaries of 3rd ventricle ? (2)

A

1- body of fornix
2- thin layer of ependyma

45
Q

Floor Boundaries of 3rd ventricle ? (3)

A

1- optic chiasma
2- tegmentum of mid brain
3- hypothalamus

46
Q

Posterior Boundaries of 3rd ventricle ? (3)

A

1- pineal body
2- posterior commissure
3- cerebral aqueduct of Sylvius

47
Q

Lateral Boundaries of 3rd ventricle ? (2)

A

1- Thalamus
2- hypothalamus

48
Q

3rd ventricle is connected with 2 lateral ventricle through β€”β€”β€”β€”β€”?

A

Interventricular formina of monro

49
Q

3rd ventricle connected with 4th ventricle through β€”β€”β€”?

A

Cerebral aqueduct of sylvius

50
Q

The 3rd ventricle recesses ? (4 POSI )

A
  • pineal
  • optic
  • suprapineal
  • infundibular
51
Q

4th ventricle is cavity of ?

A

Hindbrain

52
Q

4th ventricle site
Behind β€”β€”β€”-&β€”β€”β€”β€”?
In front of β€”β€”β€”β€”?

A

Behind : pons & open medulla
In front : of cerebellum

53
Q

4th ventricle has β€”- angles ?

A

angles:
- superior angle
- Inferior angle
- lateral angle

54
Q

4th ventricle has superior angles continuous with the cerebral β€”β€”β€”β€”-?

A

Aqueduct of Sylvius

55
Q

4th ventricle has inferior angles continuous with β€”β€”β€”β€”- of β€”β€”β€”β€”?

A

Central canal of closed medulla

56
Q

4th ventricle has lateral angles between β€”β€”-&β€”β€”β€”?

A

SCP = superior cerebellar peduncles & ICP= inferior cerebellar peduncles

57
Q

Lateral boundaries of 4th ventricle Above: β€”β€”- ?

A

SCP (superior cerebellar peduncles )

58
Q

Lateral boundaries of 4th ventricle Inferior :β€”-&β€”β€”&β€”β€”(3) ?

A

1) ICP : inferior cerebellar peduncles
2) gracile
3) cuneate tubercles

59
Q

Floor of upper part of 4th ventricle is the β€”β€”β€”β€”-?

A

Back of pons

60
Q

Floor of lower part of 4th ventricle is the β€”β€”β€”β€”?

A

Back of open medulla

61
Q

The roof of 4th ventricle above is β€”β€”β€”β€”β€”β€”- ?
Stretching between

A

SMV : superior medullary velum

Stretching between : 2 superior cerebellar peduncles

62
Q

The roof of 4th ventricle below is β€”β€”β€”β€”β€”β€”- ?
Between

A

IMV : inferior medullary velum
between 2 inferior cerebellar peduncles

63
Q

Magendie site ? Slide 66

A

Median aperture of Inferior medullary velum in the roof of 4 ventricle

64
Q

Magendie connects 4th ventricle with β€”β€”β€”-?

A

Subarachnoid space

65
Q

Dorsal recess of 4th ventricle lies in ?

A

Within cerebellum

66
Q

Lateral Recesses of 4th ventricle curves around β€”β€”β€”β€”β€”-& open by β€”β€”β€”β€”β€”β€”in subarachnoid space ?

A

Inferior cerebellar peduncles & open by lateral aperture ( foramina of luschka)

67
Q

Upper angle of 4th ventricle communicate with β€”β€” ventricle through β€”β€”β€”β€”-?

A

With 3rd ventricle
Through cerebral aqueduct

68
Q

Upper angle of 4th ventricle communicate with β€”β€”β€” of β€”β€”-& β€”β€”β€”- with subarachnoid space ?

A

Central canal & open medulla & spinal cord

69
Q

Upper angle of 4th ventricle communicate with with Central canal & open medulla & spinal cord with subarachnoid space through Foramina of β€”β€”β€”& β€”β€”β€”-?

A

Foramina of magendi& luschka