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Anatomy and Radiology Test 3 > Cranial Contents > Flashcards

Cranial Contents Flashcards

1
Q

Brainstem omposed of

A

Medulla, pons, and midbrain

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2
Q

Posterior aspect of BS

A

Cerebellum

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3
Q

DIencephalon composed of

A

Thalamus, hypothalamus, and epithalamus

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4
Q

Cerebrum is composed of

A

2 hemispheres

Superior

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5
Q

Each cerebral hemisphere composed of

A

Cerebral cortex and subcortical areas

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6
Q

Pituitary gland associated with

A

Hypothalamus

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7
Q

PIneal gland associated with

A

Epithalamus

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8
Q

Cerebrum divised into hemispheres by

A

Longitudinal fissure

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9
Q

Sulci vs. gyri

A

Gyri - ridges

Sulci - crevices

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10
Q

Central sulcus separates

A

Frontal and parietal lobe

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11
Q

Lateral sulcus separates

A

Frontal/parietal from temporal

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12
Q

Corpus callosum

A

White matter…communicates between left and right

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13
Q

Cingulate gyrus

A

Limbic lobe…emotions

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14
Q

Frontal lobe functions

A

Motor, executive functions

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15
Q

Parietal lobe function

A

Somatosensory

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16
Q

Temporal lobe function

A

Auditory

Learning and memory

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17
Q

Occipital lobe function

A

Visual areas

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18
Q

Insular lobe found inside

A

Lateral sulcus

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19
Q

Neurocranium bones

A

Frontal, ethmoid, sphenoid, temporal, parietal, occipital

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20
Q

Calvvarium

A

Top part of neurocranium where bones are flat

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21
Q

Anterior cranial fossa boundary

A

Frontal bone and lesser sphenoid wing

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22
Q

MIddle cranial fossa

A

Lesser sphenoid wing

Petrous ridge of temporal

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23
Q

POsterior cranial fossa location

A

Posterior to petrous ridge of temporal

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24
Q

Anterior cranial fossa contents

A

Frontal lobe

Olfactory bulbs

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25
Q

Middle cranial fossa contents

A

Temporal lobe
Cavernous sinus and CNs
Internal carotid arteries

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26
Q

Posterior cranial fossa contetns

A

Cerebellum and brainstem

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27
Q

Lateral ventricle

A

C-shaped in each hemisphere

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28
Q

3rd ventricle

A

Mid-sag between L and R thalamus

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29
Q

4th ventricle

A

Posterior to BS

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30
Q

Choiroid plexus

A

Produces CSF

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31
Q

Capillaries of choroid plesxus are

A

Fenestrated

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32
Q

CHoroid epithelial cellscontain

A

Tight junctions

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33
Q

CSF flows from ventricles to the

A

Subarachnoid space

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34
Q

CSF drains into dural sinus through

A

Arachnoid granulations

35
Q

Disruption of CSF resultsi n

A

Hydrocephalus

36
Q

Interventricular foramen

A

connects lateral and 3rd ventricle

37
Q

Cerebral aqueduct

A

Connects 3rd and 4th ventricle

38
Q

Central canal

A

Continuation of 4th ventricle…travels through entire spinal cord

39
Q

CSF absorbed into venous system by

A

Arachnoid granulations

40
Q

Path of CSF in the brain

A 
Lateral ventricle 
IV foramen (Monroe)
3rd ventricle
Cerebral aqueduct
Fourth ventricle
Median aperture/lateral aperture/central canal 
Arachnoid granulations
41
Q

Dura mater layers

A

Periosteal dura and meningeal dura

42
Q

Where do periosteal and meningeal dura separate

A

Dural folds and venous sinuses

43
Q

Arachnoid membrane

A

A vascular membrane

44
Q

Arachnoid granulation compostion

A

Extenstions of arachnoid that protrude through meningeal layer of dura into superior saggital sinus

45
Q

Which layer of dura dives into longitudinalfissure

A

Meningeal layer

Creates dural fold

46
Q

Epidural space

A

Space skull and dura mater

47
Q

Subdural space

A

Between dura and arachnoid mater

48
Q

MIddle meningeal artery runs in

A

Epidrual space

49
Q

Bridging veins run in

A

Subdural space

50
Q

Subarachnoid space

A

Between arachnoid and pia

Full of CSF

51
Q

Falx cerebri

A

In longitudinal fissure to separate L and R hemisphere

52
Q

Tentorium cerebelli

A

Covers upper surface of cerebellum

53
Q

Tentoral incisure

A

Midbrain passes through here to connect to thalamus

54
Q

Diaphragm sella

A

Forms roof of cavernous sinus in region of sella turcica

55
Q

Falx cerebelli

A

Below tentorium cerebelli

Similar to falx cerebri but does not totally separate halves of cerebellum

56
Q

Dural sinuses located in

A

Margins of dural folds

57
Q

Bridging veins

A

Arise from cerebral veins in the dural venous sinuses

58
Q

Dural venous sinuses empty into

59
Q

CSF absorbed into dural venous sinuses through

A

Arachnoid granulations

60
Q

Subdural hematoma

A

Tearing of the brdiging cerebral veins as they enter dural sinus…chrnoic and acute types…dura remains fixed to bone

61
Q

Epidural hematoma

A

Tear of meningeal arteries in epidural space…dura ripped off of bone

62
Q

Subarachnoid hemorrhage

A

Blood collects in subarachnoid space that contains major arteires of the brain

63
Q

Superior sagittal sinus

A

Located in falx cerebri (periosteal and meningeal dura)

Separates hemispheres

64
Q

Inferior sagittal sinus

A

Inferior falx cerebri

Meningeal dura only

65
Q

Straight sinus

A

Junction of falx cerebri and tenorium cerebelli

66
Q

Confleuns of sinuses

A

Located on internal occipital protuberence where straight, occipital, and sueprior join together

67
Q

Transverse sinuses

A

From confleuns toward sigmoud sinus

Between periosteal and meningeal on tentorium cerebelli

68
Q

Sigmoid sinuses

A

Betweeen dural ayers…run from transverse sinuses to IJV

69
Q

Cavernous sinus

A

FOrmed by diaphragm sellae and periosteal dura

On floor of hypohyseal fossa

70
Q

How does cavernous sinus drain?

A

To transverse via superior petrosal

To sigmoid sinus via petrosal sinus

71
Q

Cavernous sinus contains

A

Crainal nerves 3,4, V1, V2, and 6

Internal carotid

72
Q

Which CN associated iwht pituitary

A

Optic chiasm of CN 2

73
Q

Abducens nerve runs with

A

Internal carotid artery

74
Q

What is cavernouse sinus connected to?

A

Sigmoid and tvs. sinuses posteriorly
Ophthalmic veins anteriorly
Pteryhoid plexus of veins in deep face

75
Q

Internal carotid arteries enter cranial cavity through

A

Carotid canal

76
Q

Vertberla arteries enter cranial canal via

A

FOramen magnum and join together to form basilar artery

77
Q

Enternal carotid artery branches

A

Anterior, middle cerebral

POsterior communicating artery

78
Q

Posterior communicating artery connects

A

Internal carotid system to posterior cerebral artery

79
Q

Anterior cerebral artery runs and supplies

A

In longitudinal fuissure

Medial aspect of cerebral cortex

80
Q

Middle cerebral runs and supplies

A

Lateral fissures

Lateral sides of cerebral cortex

81
Q

Left and right vertebral arteries merge into

A

Basilar artery

82
Q

Basilar artery splits into

A

Right and left posterior cerebral arteries

83
Q

Posterior cerebral artery is ____ and supplies _____

A

Terminal branch of basilar artery

Medial and ventral surface of occipital cortex

84
Q

Berry aneurysms arise from

A

Arterial branch points near circle of willis

Anatomy and Radiology Test 3 (11 decks)

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