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GA 2 > CRANIAL LEC > Flashcards

CRANIAL LEC Flashcards

0
Q

Foldings of the dura mater for protection

A

Falx cerebri

Tentorium cerebelli

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1
Q

Cranial meninges

A

Duran mater-outer
Arachnoid
Pia mater

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2
Q

Specific Openings found in the floor

A 
Foramen rotundum
Optic canal
Olfactory foramina
Int acoustic meatus
Hiatus of greater petrosal nerve
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3
Q

Depression leading to an opening

Found in petrous part of temporal

A

Hiatus of greater petrosal nerve

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4
Q

Butterfly shaped bone

A

Sphenoid bone

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5
Q

Part of sphenoid seen i :
Base:
Floor:

A

Base-greater wing

Floor-lesser wing

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6
Q

Bones of the floor are made up of

A

Cranial bones

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7
Q

Bones of base of skull are made of

A

Cranial and facial bones(max)

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8
Q

Cranial cavity contains the:

A 
Brain
Intracranial parts of the cranial and spinal nerves
Blood vessels
Venous sinuses
Meninges
Cerebrospinal fluid
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9
Q

Blood vessels in the brain

A

Meningeal vessels

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10
Q

Fluid continuously flowing from spinal to brain

A

Csf

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11
Q

For passage of csf

A

Sinus

*sagittal sinus

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12
Q

Bones of cranial cavity

A 
Frontal 
Ethmoid
Sphenoid
Temporal
Parietal
Occipital
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13
Q

Sutures found in the roof or internal surface

A

Coronal
Sagittal
Lambdoidal

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14
Q

Shallow sagittal groove lodges

A

Sup sagittal sinus

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15
Q

Granular pits lodge the

A

Lat lacunae

Arachnoid granulations or pacchionian body

16
Q

Parietal foramen transmits

A

Emissary vein

17
Q

Anterior cf contains

A

Ant lobe of brain - Cerebrum

18
Q

Middl cf contains:

A

Temporal lobe if brain

19
Q

Posterior contains

A

Post lobe
Cerebellum
Brainstem

20
Q

Forms roof of orbital cavity

A

Orbital plate of frontal bone

21
Q

Contains olfactory foramina for passage of olfactory nerves

A

Cribriform plate of ethmoid bone

22
Q

Bony projection for attachment of falx cerebri

A

Crista galli

23
Q

3 major bones in the ant cranial fossa

A

Frontal
Ethmoid
Lesser wing of sphenoid

24
Q

Space that separates cerebrum and cerebellum. Attached to post clinoid process

A

Tentorium cerebelli

25
Q

2 openings of the lesser wing of sphenoid

A

Optic canal

Sup orbital fissure

26
Q

It will lodge or hold pituitary gland

A

Hypophysial fossa of sella turcica

27
Q

Transmits optic nerve

A

Groove for optic chiasma

Optic canal

28
Q

Thin plate of bone separates EAR & BRAIN

A

Tegmen tympani

29
Q

Clinical significance of tegmen tympani

A

Only major barrier separating infection in the tympanic cavity from the temporal bone

30
Q

Tegmen tympani forms:

A

Roof of mastoid antrum
Tympanic cavity
Auditory tube

31
Q

Post cranial fossa lodges

A

Post lobe, cerebellum, brainstem

32
Q

Bony prominences in the post cranial fossa

A

Int occ protuberance
Int occ crest
Transverse occ crest

33
Q

Provides further structural framework for cerebellum

A

Int occ crest

Transverse occ crest

GA 2 (21 decks)

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