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Unit 3 bony landmarks > Unit III - Ethmoid bone > Flashcards

Unit III - Ethmoid bone Flashcards

1
Q

What are the 3 parts of the ethmoid bone?

A

cribriform plate

perpendicular plate

ethmoidal labyrinths

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2
Q

What are the 2 parts of the cribriform plate of the ethmoid bone?

A

crista galli

olfactory foramina

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3
Q

What attaches to the crista galli?

A

falx cerebri

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4
Q

What is the function of the olfactory foramina?

A

transmit the olfactory n.

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5
Q

What are the 3 parts of the ethmoid labyrinths of the ethmoid bone?

A

air cells

orbital plate

medial surface

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6
Q

What are the 2 parts of the orbital plate of the ethmoid labyrinths of the ethmoid bone?

A

anterior ethmoidal foramen

posterior ethmoidal foramen

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7
Q

What is the function of the anterior ethmoidal foramen?

A

transmits anterior ethmoidal n., a., v.

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8
Q

What is the function of the posterior ethmoidal foramen?

A

transmits posterior ethmoidal n., a., v.

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9
Q

What are the 3 parts of the medial surface of the ethmoidal labyrinths of the ethmoid bone?

A

superior concha

middle concha

bulla ethmoidalis

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Unit 3 bony landmarks (17 decks)

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