Paranasal Sinus Flashcards

1
Q

What are the paranasal sinuses?

A

Frontal
Ethmoid
Maxillary
Sphenoid

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2
Q

What sinus lies in frontal bone and between orbits?

A

Frontal Sinus

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3
Q

The frontal sinus drains into what?

A

Hiatus Semilunaris in middle meatus of nasal cavity

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4
Q

What sinus lies between orbits: posterior, middle and anterior?

A

Ethmoid Sinuses

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5
Q

The ethmoid sinuses drain into what?

A

Superior (posterior) Meatus

Middle (middle and anterior) Meatus

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6
Q

What sinus lies in the maxilla below each orbit?

A

Maxillary sinus

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7
Q

The maxillary sinus drains into what?

A

Hiatus Semilunaris of Middle Meatus

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8
Q

What sinus lies in sphenoid bone below pituitary fossa?

A

Sphenoid Sinus

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9
Q

The sphenoid sinus drains into what?

A

Spenoethmoidal Recess which lies above superior concha

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