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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
Q

Cisterna of vermis surrounds ?

A

Cerebellum

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26
Q

The outer most covering of brain is ?

A

Dura mater

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27
Q

Dura mater consist of 2 layers ?

A

1- outer fibrous ( periosteal )
2- inner (meningeal ) layer

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28
Q

Which layer of the dura is adherent to the skull bone ?

A

Outer fibrous ( periosteal ) layer

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29
Q

Which layer of the dura mater forms the dural folds ?

A

Inner meningeal layer

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30
Q

Space between the 2 periosteal layer & meningeal layer is called?

A

Epidural space

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31
Q

Epidural space contains ?

A

Dural venous sinus

32
Q

The Space between the dura & arachnoid is ?

A

Subdural space

33
Q

Mention the dural folds ( Ω…Ω† Ψ΄Ψ±Ψ­ Ψ―ΩƒΨͺورة)

A

Falx cerebri
Tentorium cerebelli

34
Q

CSF is ?

A

Fluid filling the ventricles , central canal , subarachnoid space

35
Q

CSF is secreted by ?

A
  • choroid plexus
    In medial wall of the lateral ventricle &
    Roof of 3 & 4 ventricle
36
Q

Circulation of the CSF ?

A

1- lateral ventricle β€”> through interventricular foramina of monro
2- to 3rd ventricle then
3- 4th ventricle β€”> through cerebral aqueduct of sylvius

37
Q

CSF Leaves 4th ventricle through (3) ?

A

Foramen magendie
2 foramina of luschka to the subarachnoid space

38
Q

CSF is absorbed by ?

A

Arachnoid villi & granulations

39
Q

CSF excreted into ?

A

Dural venous sinuous
Superior Sagittal sinus. (SSS) Ψ¨Ψ°Ψ§Ψͺ

40
Q

Function of CSF ?(8)

A

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
Q

Hydrocephalus is ?

A

Accumulation of CSF

42
Q

Hydrocephalus lead to ?

A

Inc in CSF pressure
& dilation of ventricles
& causes impairment in brain function

43
Q

When does Hydrocephalus cause enlarged skull ?

A

When it occurs before fusion of skull

44
Q

Hypothalamic sulcus extend from β€”β€”to β€”-?

A

Interventricular foramen to cerebral aqueduct sylvius

45
Q

Dorsal diencephalon is ?

A

2 thalami
Epithalamus
Meta thalamus

46
Q

Ventral diencephalon is ?

A

Hypothalamus & sub-thalamus

47
Q

Thalamus is & forms ?

A

Large grey matter which
forms : main sensory relay station for cerebral cortex to all except sensation of smell

48
Q

Thalamus relay all sensation except ?

A

sensation of smell

49
Q

Thalamus forms part of β€”β€”β€”β€”β€” & floor of β€”β€”β€”β€”-?

A

Part of lateral wall of 3rd ventricle
Floor of central part of lateral ventricle

50
Q

Thalamus Anterior end it is ? β€”β€”β€”- & its relation ?

A

It’s = narrow & round
Relation - posterior Interventricular foramen

51
Q

Thalamus posterior end (pulvinar) overhangs the ?

A

Superior colliculus

52
Q

Superior surface of thalamus forms ?

A

forms part of the floor of body of lateral ventricle

53
Q

Superior surface of thalamus covered by (4)?

A

1- tela choroidea
2- fornix
3- stria terminalis
4- thalammstriate vein

54
Q

Inferior surface of thalamus separated from hypothalamus by β€”β€”-?

A

Hypothalamus sulcus

55
Q

The medial surface of thalamus forms ?

A

Lateral wall of 3rd ventricle

56
Q

Medial surface of thalamus connects the β€”β€”β€”- thalamus interthalamic connection ?

A

Opposite

57
Q

Lateral surface of Thames separates it from β€”β€”β€”β€”β€”- by the β€”β€”β€”?

A

Lentiform nucleus by posterior limb of internal capsule

58
Q

Arterial supply of diencephalon?

A

Posterior cerebral & posterior communicating A

59
Q

ANTERIOR nucleus AFFERENT from β€”β€”- via β€”β€”β€”β€”?

A

Mammillary bodies via mammillo-thalamic tract

60
Q

ANTERIOR nucleus EFFERENT ?

A

Cingulate gyrus

61
Q

ANTERIOR nucleus function (2) ?

A

1- emotional tone
2- recent memory ( papez circuit )

62
Q

Doromedial nucleus AFFERENT. ?

A
  • prefrontal cortex
  • hypothalamus
  • olfactory system
63
Q

Dorsomedial nucleus EFFERENT ?

A

Prefrontal cortex

64
Q

Dorsomedial nucleus function (2) ?

A

1- integration of Sensory info
2- emotional expressions

65
Q

(VPM). Ventral posterio-medial nucleus AFFERENT ?

A

-Trigeminal lemniscus
- gustatory fibers

66
Q

(VPM). Ventral posterio-medial nucleus EFFERENT ?

A

PRIMARY somatic sensory areas cortex

67
Q

(VPM). Ventral posterio-medial nucleus function ?

A

Sensation from head

68
Q

(VPL ) ventral posterior-lateral nucleus AFFERENT?

A

Medial & spinal lemnisci

69
Q

(VPL ) ventral posterior-lateral nucleus efferent ?

A

Primary somatic sensory cortex + post central gyrus

70
Q

(VPL ) ventral posterior-lateral nucleus function ?

A

Sensation of body

71
Q

Epithalamus consist of ?

A

1- pineal body
2- habenular nuclei
3- habenular commissure
4- posterior commissure

72
Q

Metathalamus consist of ?

A

Lateral geniculate ( superior colliculus )
Medial geniculate ( inferior colliculus )

73
Q

Superior colliculus gives β€”β€”β€”- to β€”β€”-?

A

Optic radiation to occipital lobe

74
Q

Inferior colliculus gives β€”β€”β€”β€”β€”toβ€”β€”β€”β€”?

A

Auditory radiation to temporal lobe

75
Q

Hypothalamus consist of ?

A
  • mammillary bodies
  • preoptic region
  • tuber cibnereum & infundibulum
76
Q

Sub thalamus lies ?

A

In between thalamus & tegmentum of midbrain

77
Q

Sub-thalamus consist of ?

A

1- Projection fibers
2- nuclei ( luys , red nucleus , substantia nigra

Anatomy 🧠 (9 decks)

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