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Anatomy 🧠 > Basal Nuclei & Ventricles > Flashcards

Basal Nuclei & Ventricles Flashcards

1
Q

Basal nuclei are masses of ———— in the ——————-?

A

Gray matter in the base of cerebral hemispheres

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2
Q

Basal nuclei are imp in the ————&————?

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 ———& ——- wall of ——- lateral ventricle ?

A

Floor & lateral wall of anterior horn

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6
Q

The head of caudate nucleus fuses inferiorly with ——?

A

Lentiform

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7
Q

body caudate nucleus forms ———— of central part of ——- 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 ————?

A

Amygdala

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10
Q

In between caudate & lentiform is ———-?

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 ————-?

A

Claustrum

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13
Q

Internal capsule separates lentiform medially from ————-?

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 ————- 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 ———- foramen?

A

Interventricular (monro )

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23
Q

Lateral connected to 3rd ventricle by ———- 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
Anterior horn of lateral ventricle lies in ?
Frontal lobe In front of interventricular foramen
26
Roof of Anterior horn of lateral ventricle ?
Corpus callosum
27
Anterior to Anterior horn of lateral ventricle ?
Genu of corpus callosum
28
Floor of Anterior horn of lateral ventricle? (2)
1- head of caudate 2- rostrum of corpus callosum
29
Medially to Anterior horn of lateral ventricle?
Septum pellucidum
30
Central part of lateral ventricle extend from —- to ——- ?
Interventricular fossa to splenium of corpus callosum
31
1) Roof Central part of lateral ventricle & 2) floor ———?
1) corpus callosum 2) thalamus & body of caudate nucleus
32
Medially to Central part of lateral ventricle ?
Septum pellucidum
33
Posterior horn of lateral ventricle lies in ?
Occipital lobe
34
Posterior horn of lateral ventricle laterally (2) ?
1- tapetum 2- optic radiation
35
Posterior horn of lateral ventricle Medially (2) ?
1- forceps major 2- calcar Avis
36
Inferior horn of lateral ventricle lies in ?
Temporal lobe
37
Roof of Inferior horn of lateral ventricle ?
Tail of caudate & amygdala
38
Floor Inferior horn of lateral ventricle ?
- Hippocampus & its pes - collateral eminence
39
Diencephalon is between & below , above ?
2 cerebral hemispheres below the corpus callosum & above the brain stem
40
The diencephalon is the cavity of?
3rd ventricle
41
The 3rd ventricle divides the diencephalon into 2 parts (dorsal & ventral by the —————— ?
Hypothalamic sulcus
42
Third ventricle its in cavity ——- between ————?
Cavity of diencephalon Narrow slit like between 2 thalami
43
Anterior Boundaries of 3rd ventricle ? (3)
1- fornix (columns) 2- anterior commissure 3- lamina terminalis
44
Roof Boundaries of 3rd ventricle ? (2)
1- body of fornix 2- thin layer of ependyma
45
Floor Boundaries of 3rd ventricle ? (3)
1- optic chiasma 2- tegmentum of mid brain 3- hypothalamus
46
Posterior Boundaries of 3rd ventricle ? (3)
1- pineal body 2- posterior commissure 3- cerebral aqueduct of Sylvius
47
Lateral Boundaries of 3rd ventricle ? (2)
1- Thalamus 2- hypothalamus
48
3rd ventricle is connected with 2 lateral ventricle through —————?
Interventricular formina of monro
49
3rd ventricle connected with 4th ventricle through ———?
Cerebral aqueduct of sylvius
50
The 3rd ventricle recesses ? (4 POSI )
- pineal - optic - suprapineal - infundibular
51
4th ventricle is cavity of ?
Hindbrain
52
4th ventricle site Behind ———-&————? In front of ————?
Behind : pons & open medulla In front : of cerebellum
53
4th ventricle has —- angles ?
angles: - superior angle - Inferior angle - lateral angle
54
4th ventricle has superior angles continuous with the cerebral ————-?
Aqueduct of Sylvius
55
4th ventricle has inferior angles continuous with ————- of ————?
Central canal of closed medulla
56
4th ventricle has lateral angles between ——-&———?
SCP = superior cerebellar peduncles & ICP= inferior cerebellar peduncles
57
Lateral boundaries of 4th ventricle Above: ——- ?
SCP (superior cerebellar peduncles )
58
Lateral boundaries of 4th ventricle Inferior :—-&——&——(3) ?
1) ICP : inferior cerebellar peduncles 2) gracile 3) cuneate tubercles
59
Floor of upper part of 4th ventricle is the ————-?
Back of pons
60
Floor of lower part of 4th ventricle is the ————?
Back of open medulla
61
The roof of 4th ventricle above is ——————- ? Stretching between
SMV : superior medullary velum Stretching between : 2 superior cerebellar peduncles
62
The roof of 4th ventricle below is ——————- ? Between
IMV : inferior medullary velum between 2 inferior cerebellar peduncles
63
Magendie site ? Slide 66
Median aperture of Inferior medullary velum in the roof of 4 ventricle
64
Magendie connects 4th ventricle with ———-?
Subarachnoid space
65
Dorsal recess of 4th ventricle lies in ?
Within cerebellum
66
Lateral Recesses of 4th ventricle curves around —————-& open by ——————in subarachnoid space ?
Inferior cerebellar peduncles & open by lateral aperture ( foramina of luschka)
67
Upper angle of 4th ventricle communicate with —— ventricle through ————-?
With 3rd ventricle Through cerebral aqueduct
68
Upper angle of 4th ventricle communicate with ——— of ——-& ———- with subarachnoid space ?
Central canal & open medulla & spinal cord
69
Upper angle of 4th ventricle communicate with with Central canal & open medulla & spinal cord with subarachnoid space through Foramina of ———& ———-?
Foramina of magendi& luschka

Anatomy 🧠 (9 decks)

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