Lecture 2 - HARC 1 Flashcards by Henry Maudslay | Brainscape

Q

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Q

Which bone are the posterior and middle conchae part of?

A

Ethmoid

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Q

What does the sphenoidal sinus open into?

A

Sphenoethmoidal recess

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Q

What does the posterior ethmoidal sinus open into?

A

Superior meatus

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Q

What is the bulla ethmoidalis?

A

Swelling in middle meatus
Formed by middle ethmoidal sinus, and also recieves maxillary sinus

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Q

Where does the nasolacrimal duct open into?

A

Inferior meatus

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Q

What is the hiatus semilunaris?

A

A crescent-shaped groove just inferior to the ethmoidal bulla.
It is the location of the openings for the frontal sinus, maxillary sinus, and anterior ethmoidal sinus.

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