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Anatomy > Brain And Cranial Fossa > Flashcards

Brain And Cranial Fossa Flashcards

1
Q

Hemispheres 4

A

Left and right cerebral hemispheres

Left and right cerebellar hemispheres

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2
Q

Lobes 4

A

Frontal, parietal, occipital, temporal

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3
Q

Longitudinal fissure separates what

A

Left from right cerebral hemispheres

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4
Q

Lateral sulcus (fissure) separates what

A

Temporal and frontal lobes

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5
Q

Transverse fissure separates what

A

Occipital lobe, temporal lobe, and cerebellum

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6
Q

Central sulcus separates what

A

Frontal and parietal lobes

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7
Q

Which lobe is one of the last to develop, why teens make bad decisions

A

Frontal lobe

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8
Q

Primary auditory cortex in

A

Temporal lobe

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9
Q

Fissure is a

Sulcus is a

A

Groove

Ridge

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10
Q

Where are hypothalamus and thalamus located/where eyes outgrow from

A

Diencephalon q

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11
Q

Midbrain associated with which cranial nerve

A

III

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12
Q

Pons associated with which cranial nerve

A

V

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13
Q

Medulla associated with which cranial nerves

A

9, 10, 12

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14
Q

Pontomedullary junction associated with which nerves

A

6-9

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15
Q

Where spinal accessory nerve originates

A

Spinal cord

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16
Q

Layers of dura

A

External periosteal and internal meningeal

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17
Q

Which layer of membrane is continuous with spinal dura at the foramen magnum

A

Internal meningeal

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18
Q

Arachnoid: __ layer, crosses the __ and __ space, contains __

A

Middle
Sulcus and subarachnoid
CSF

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19
Q

Pia layer

__ layer, continuous with brain surface

A

Inner

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20
Q

Epidural space: between which two things

A

Skull and periosteal layer of dura

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21
Q

Subdural space between what

A

Between Dural border cell layer at the dura arachnoid junction

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22
Q

Subarachnoid space

A

Actual space between arachnoid and pia that contains CSF

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23
Q

Which spaces are potential spaces

A

Epidural and subdural spaces

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24
Q

Where epidural hematomas usually are ___

Subdural hematomas usually ___

Bleeds in arachnoid space usually from __

A

Arterial

Venous

Arterial

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25
Q

Dural folds contain __ sinuses

They are where __ layer of ___ reflects away from __ layer

A

Venous

Meningeal, dura, periosteal

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26
Q

Falx cerebri

Lies in which fissure

Between what

A

Longitudinal cerebral fissure

Left and right cerebral hemispheres

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27
Q

Tentorium cerebelli between what

A

Occipital lobes and cerebellum

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28
Q

Falx cerebelli

Where it is and what it separates

A

Inferior to tentorium cerebelli

Partially separates cerebellar hemispheres

29
Q

Superior Saggital sinus

In which border of what Dural reflection

A

In convex superior border of Falx cerebri

30
Q

Inferior Saggital sinus

In which border of which Dural reflection

A

Lies in inferior/free border of Falx cerebri

31
Q

Straight sinus

What two things form to join it

A

Inferior Saggital sinus and vein of Galen

32
Q

Confluence of sinuses

Where which 4 things meet

A

Superior sinus, inferior sinus, occipital sinus, and straight sinus

33
Q

All veins in head drain into what

A

Internal jugular vein

34
Q

Transverse sinus

Emerges __ from the __ of __ in the__ attached to margin of __ __

A

Laterally, confluence of sinuses, posterior, cerebellar tentorium

35
Q

Sigmoid sinus
Continuation of __ sinus
Follows __ shaped course in the __ cranial fossa, turns __ then continues as what

A

Transverse

S, posterior, anteriorly

36
Q

Confluence of sinuses goes __ and __ through __ sinus then to __ sinus

A

L, R, transverse, sigmoid

37
Q

Sigmoid sinus leaves skull as what

A

IJ

38
Q

Cavernous sinus
__ structure located within body of __ bone
Plexus of veins that drains __ and __ __ __
Contains which artery and 5 cranial nerves

A

Bilateral, sphenoid
Eye and lateral cerebral hemispheres
Internal carotid artery, CN III, IV, V1, V2, and VI

39
Q

Cavernous sinus is inferior to __ and __

A

Midbrain and diencephalon

40
Q

Maxillary artery comes from __ __

__ __ is where middle meningeal arteries exit

A

External carotid

Foramen spinosum

41
Q 
Middle meningeal artery
Supplies \_\_ and \_\_ 
Branch of \_\_ artery 
Enters \_\_ \_\_ fossa through the \_\_ \_\_ 
Clinically significant in \_\_ hematoma
A

Dura and calvaria
Maxillary
Middle cranial, foramen spinosum
Epidural

42
Q

Blood supply of the brain comes from __ __ and __ arteries

A

Internal carotid and vertebral

43
Q

Circle of Willis is an anastomoses between __ and __ arteries

A

ICA and vertebral

44
Q

___ __ go through foramen transversarium

A

Vertebral arteries

45
Q

Middle cerebral artery supplies what

Anterior and middle cerebral arteries come off of __ artery

Cerebellum branches and posterior cerebral artery come off of __ artery

A

Lateral side of brain

Internal carotid

Vertebral

46
Q

Vertebral arteries form __ artery

A

Basilar

47
Q

Anterior cerebral artery supplies what

A

Medial and superior surfaces of frontal and parietal lobes

48
Q

Middle cerebral artery supplies what

A

Lateral surface of all 4 cerebral lobes

49
Q

Posterior cerebral artery supplies what

A

Posterior surfaces, medial parts of temporal and occipital lobes

50
Q

Cerebellum supplied by what

A

Pica, aica, superior cerebellar artery

51
Q

CN I, II, III, IV, V, VI, VII, VIII, VX, X, XI, XII

A

Olfactory, optic, oculomotor, trochlear, trigeminal, abducens, facial, vestibulocochlear, glossy pharyngeal, vagus, accessory, hypoglossal

52
Q

Where CSF is made and where it is drained

A

Made in choroid plexus

Drained in arachnoid granulation a

53
Q

Neuro cranium houses what

A

Brain, meninges, cranial nerves, and vasculature of brain

54
Q

What we take off to remove brain

Space that holds skull

A

Calvaria

Cranial fossa

55
Q

What these hold

Anterior fossa
Middle fossa
Posterior fossa

A

Frontal lobe
Temporal lobe
Cerebellum, brain stem, and occipital lobe

56
Q 
Anterior cranial fossa 
\_\_ bone- inferior 
\_\_ bone - medial 
\_\_\_ bone - posterior 
Cranial nerve \_\_ exits through \_\_ plate
A

Frontal
Ethmoid
Sphenoid lesser wing
I, cribiform

57
Q

Middle cranial fossa
__ bone (__ __ and body)
___ bone (__ and __)
__ bone

A

Sphenoid, greater wing
Temporal, petrous and squamous
Parietal

58
Q

Middle cranial fossa

Cranial nerve __ exits here through __ __, __ through __ __, and __ through __ __.

A

II, optic canal, III, supra orbital fissure, IV, supra orbital fissure

59
Q

Middle cranial fossa

___ nerve exits through 3 parts

A

Trigeminal
V1- supraorbital fissure
V2- foramen rotundum
V3- foramen ovale

60
Q

Posterior cranial fossa
Bones: __, __, __
3 parts of brain

A

Occipital (occipital lobe)
Temporal bone
Parietal bones

Occipital lobe, cerebellum, brain stem

61
Q

Nerves that exit through posterior cranial fossa

A

7-12

62
Q

Facial nerve goes to __ __ and emerges from __ __

Vestibulocochlear nerve goes to __ __ __

Glossopharyngeal nerve goes to __ __

A

Internal auditory meatus, stylomastoid foramen

Internal auditory meatus

Jugular foramen

63
Q

Vagus nerve goes through which fossa

Spinal accessory

Hypoglossal

A

Jugular foramen

Jugular foramen

Hypoglossal canal

64
Q

Anterior cranial fossa

Cribiform plate -

A

CN 1

65
Q

Middle cranial fossa
Optic canal-
Superior orbital fissure-

A

CN 2

CN III, IV, V1, VI

66
Q 
Middle cranial fossa 
Foramen rotundum- 
Foramen ovale- 
Foramen spinosum- 
Carotid canal-
A

CN V2
CN V3
Middle meningeal artery
Internal carotid artery

67
Q

Posterior cranial fossa
Internal auditory meatus-
Jugular foramen-

A

VII and VIII

IX, X, XI

68
Q

Posterior cranial fossa

Hypoglossal Canal

Foramen magnum

A

XII

Spinal cord, XII, vertebral arteries

Anatomy (23 decks)

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