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Anatomy > Interior cranium > Flashcards

Interior cranium Flashcards

1
Q

What is the facial skeleton derived from?

a) mesoderm
b) endoderm
c) neural crest cells

A

c

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2
Q

What is the cranial vault derived from?

a) mesoderm
b) endoderm
c) neural crest cells

A

a

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3
Q

What is the cranial base derived from?

a) mesoderm
b) endoderm
c) neural crest cells

A

b

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4
Q

What bones make up the interior cranium?

A

Frontal, ethmoid, occipital, sphenoid, parietal and temporal

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5
Q

What forms the boundaries of the anterior cranial fossa?

A

Frontal bone and lesser wing of sphenoid

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6
Q

What structure separates anterior and middle cranial fossa?

A

Lesser wing of sphenoid

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7
Q

What part of sphenoid connects the 2 lesser wings?

A

Jugum sphenoidale

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8
Q

What is the name of the depression in the sphenoid Boone that contains the pituitary gland?

A

Sella turcica

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9
Q

What do the anterior and posterior clinoid process give attachments to?

A

Tenortium cerebelli

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10
Q

OF what bone is dorsum sell a part of?

A

Sphenoid bone

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11
Q

What forms the boundary between middle and posterior cranial fossa?

A

Apex of the petrous temporal bone

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12
Q

Of what bone are the crinoid process a part?

A

Sphenoid

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13
Q

What bone is found in the anterior cranial fossa?

A

Ethmoid bone

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14
Q

What is found on either side of the crista galli?

A

Cribiform plate

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15
Q

What foramen are found in the anterior cranial fossa?

A

Anterior and posterior ethmoidal fo. transmitting anterior and posterior ethmoidal artery, nerve and vein
CNI (olfactory)

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16
Q

What is found in the central portion fo the middle cranial fossa?

A

Pituitary gland in the sella turcica

17
Q

What foramina are found in the sphenoid bone of the middle cranial fossa?

A 
Optic canal - II
Superior orbital fissure - III IV V1 VI
Fo. rotundum - V2
Fo. ovale - V3
Fo. spinous - middle meningeal artery
18
Q

What foramina are found in the temporal bone of the middle cranial fossa?

A

Hiatus of great petrosal nerve
Hiatus of lesser petrosal nerve
Carotid canal - common carotid artery

19
Q

What are the foramina in the temporal bone of the posterior cranial fossa?

A

Internal acoustic meatus - VII, VIII

20
Q

What fo. are found in the occipital bone of the posterior cranial fossa?

A

Fo. magnum = XI, spinal column
Jugular fo. - internal jugular vein, IX, X, XI
Hypoglassal canal - XI

Anatomy (40 decks)

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