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Anatomy 🧠 > Quiz 1 Anatomy Slide 33-36 &39-43 > Flashcards

Quiz 1 Anatomy Slide 33-36 &39-43 Flashcards

1
Q

The brain is covered by 3 meninges ?

A

1) pia mater
2) arachnoid mater
3) dura mater

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2
Q

Pia mater is β€”β€”- membrane adherent to β€”β€”β€”& dips β€”β€” ?

A

Delicate
To brain & dips into sulci

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3
Q

Blood vessels invaginate the pia mater these vascular tufts are called ?

A

Choroid plexus

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4
Q

β€”β€”β€”β€”β€” secrete the CSF into the ventricles

A

Choroid plexus

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5
Q

Choroid plexus covering the pia are called β€”β€”-?

A

Tela choroidea

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6
Q

Thin membrane covers pia mater ?

A

Arachnoid mater

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7
Q

Space between pia & arachnoid mater is ?

A

Subarachnoid space

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8
Q

Subarachnoid space contain (2) ?

A

1- CSF
2- blood vessels

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9
Q

Subarachnoid space extend along β€”β€”β€”- nerve to mucoperiosteum of nose ?

A

Olfactory

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10
Q

Subarachnoid space extends till level ?

A

S2 around cauda equine

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11
Q

Wide areas of Subarachnoid space Called ?

A

Subarachnoid cisterns

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12
Q

Mention the 9 cisterns in Subarachnoid space ?

A

1- cerebello-medullary cistern ( magna )
2- pontine (pontomedullary ) cistern
3- interpeduncular cistern
4- chiasmatic cistern
5- callosal ( interhemispheric ) cistern
6- cistern of lateral sulcus
7- cistern of great cerebral veins (ambiens )
8- cisterna vermis
9- cistern lamina terminalis

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13
Q

Cerebella-medullary cistern is the β€”β€”β€”- & lies in between β€”β€”β€”

A

Largest
Between medulla & cerbellum

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14
Q

Cerebella-medullary cistern connects β€”β€”β€”β€”β€” BY β€”β€”β€”

A

4th ventricle
By median aperture

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15
Q

Pontine cistern contains (Artery ) ?

A

Basilar artery

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16
Q

Pontine cistern related to ?

A

Front / anterior pons

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17
Q

Pontine cistern contain basilar A & forming ?

A

Vertebral arteries

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18
Q

Interpeduncular cistern site ?

A

Below interpeduncular fossa

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19
Q

Interpeduncular cistern contains ?

A

Circle of Willis

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20
Q

Chiasmatic cistern site ?

A

Below optic chiasma

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21
Q

Callosal cistern site ?

A

Around corpus callosum

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22
Q

Callosal cistern contain ?

A

Anterior cerebral Artery

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23
Q

Cistern of lateral sulcus contain ?

A

Middle cerebral Artery + vein

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24
Q

Cistern of great cerebral vein site ?

A

Below splenium of corpus callosum

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25
Cisterna of vermis surrounds ?
Cerebellum
26
The outer most covering of brain is ?
Dura mater
27
Dura mater consist of 2 layers ?
1- outer fibrous ( periosteal ) 2- inner (meningeal ) layer
28
Which layer of the dura is adherent to the skull bone ?
Outer fibrous ( periosteal ) layer
29
Which layer of the dura mater forms the dural folds ?
Inner meningeal layer
30
Space between the 2 periosteal layer & meningeal layer is called?
Epidural space
31
Epidural space contains ?
Dural venous sinus
32
The Space between the dura & arachnoid is ?
Subdural space
33
Mention the dural folds ( Ω…Ω† Ψ΄Ψ±Ψ­ Ψ―ΩƒΨͺورة)
Falx cerebri Tentorium cerebelli
34
CSF is ?
Fluid filling the ventricles , central canal , subarachnoid space
35
CSF is secreted by ?
- choroid plexus In medial wall of the lateral ventricle & Roof of 3 & 4 ventricle
36
Circulation of the CSF ?
1- lateral ventricle β€”> through interventricular foramina of monro 2- to 3rd ventricle then 3- 4th ventricle β€”> through cerebral aqueduct of sylvius
37
CSF Leaves 4th ventricle through (3) ?
Foramen magendie 2 foramina of luschka to the subarachnoid space
38
CSF is absorbed by ?
Arachnoid villi & granulations
39
CSF excreted into ?
Dural venous sinuous Superior Sagittal sinus. (SSS) Ψ¨Ψ°Ψ§Ψͺ
40
Function of CSF ?(8)
1- water cushion (protect brain & spinal cord ) 2- Buoyancy (floating = protect blood flow ) 3- prevention of brain ischemia ( rapid CSF drainage ) 4- removes waste 5- nourishment 6- homeostasis 7- pathway for melatonin ( by pineal body to reach pituitary) 8- route for injection ( some cancers )
41
Hydrocephalus is ?
Accumulation of CSF
42
Hydrocephalus lead to ?
Inc in CSF pressure & dilation of ventricles & causes impairment in brain function
43
When does Hydrocephalus cause enlarged skull ?
When it occurs before fusion of skull
44
Hypothalamic sulcus extend from β€”β€”to β€”-?
Interventricular foramen to cerebral aqueduct sylvius
45
Dorsal diencephalon is ?
2 thalami Epithalamus Meta thalamus
46
Ventral diencephalon is ?
Hypothalamus & sub-thalamus
47
Thalamus is & forms ?
Large grey matter which forms : main sensory relay station for cerebral cortex to all except sensation of smell
48
Thalamus relay all sensation except ?
sensation of smell
49
Thalamus forms part of β€”β€”β€”β€”β€” & floor of β€”β€”β€”β€”-?
Part of lateral wall of 3rd ventricle Floor of central part of lateral ventricle
50
Thalamus Anterior end it is ? β€”β€”β€”- & its relation ?
It’s = narrow & round Relation - posterior Interventricular foramen
51
Thalamus posterior end (pulvinar) overhangs the ?
Superior colliculus
52
Superior surface of thalamus forms ?
forms part of the floor of body of lateral ventricle
53
Superior surface of thalamus covered by (4)?
1- tela choroidea 2- fornix 3- stria terminalis 4- thalammstriate vein
54
Inferior surface of thalamus separated from hypothalamus by β€”β€”-?
Hypothalamus sulcus
55
The medial surface of thalamus forms ?
Lateral wall of 3rd ventricle
56
Medial surface of thalamus connects the β€”β€”β€”- thalamus interthalamic connection ?
Opposite
57
Lateral surface of Thames separates it from β€”β€”β€”β€”β€”- by the β€”β€”β€”?
Lentiform nucleus by posterior limb of internal capsule
58
Arterial supply of diencephalon?
Posterior cerebral & posterior communicating A
59
ANTERIOR nucleus AFFERENT from β€”β€”- via β€”β€”β€”β€”?
Mammillary bodies via mammillo-thalamic tract
60
ANTERIOR nucleus EFFERENT ?
Cingulate gyrus
61
ANTERIOR nucleus function (2) ?
1- emotional tone 2- recent memory ( papez circuit )
62
Doromedial nucleus AFFERENT. ?
- prefrontal cortex - hypothalamus - olfactory system
63
Dorsomedial nucleus EFFERENT ?
Prefrontal cortex
64
Dorsomedial nucleus function (2) ?
1- integration of Sensory info 2- emotional expressions
65
(VPM). Ventral posterio-medial nucleus AFFERENT ?
-Trigeminal lemniscus - gustatory fibers
66
(VPM). Ventral posterio-medial nucleus EFFERENT ?
PRIMARY somatic sensory areas cortex
67
(VPM). Ventral posterio-medial nucleus function ?
Sensation from head
68
(VPL ) ventral posterior-lateral nucleus AFFERENT?
Medial & spinal lemnisci
69
(VPL ) ventral posterior-lateral nucleus efferent ?
Primary somatic sensory cortex + post central gyrus
70
(VPL ) ventral posterior-lateral nucleus function ?
Sensation of body
71
Epithalamus consist of ?
1- pineal body 2- habenular nuclei 3- habenular commissure 4- posterior commissure
72
Metathalamus consist of ?
Lateral geniculate ( superior colliculus ) Medial geniculate ( inferior colliculus )
73
Superior colliculus gives β€”β€”β€”- to β€”β€”-?
Optic radiation to occipital lobe
74
Inferior colliculus gives β€”β€”β€”β€”β€”toβ€”β€”β€”β€”?
Auditory radiation to temporal lobe
75
Hypothalamus consist of ?
- mammillary bodies - preoptic region - tuber cibnereum & infundibulum
76
Sub thalamus lies ?
In between thalamus & tegmentum of midbrain
77
Sub-thalamus consist of ?
1- Projection fibers 2- nuclei ( luys , red nucleus , substantia nigra

Anatomy 🧠 (9 decks)

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