9 Nasal cavity Flashcards

1
Q

what are the nasal cavity borders

A
  • anterior nares to back edge of nasal septum
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2
Q

what is the nasal cavity designed to do

A

Warm, moisten and remove particles from air

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3
Q

what are concha

A

large folds of porous bone covered by mucous membrane

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4
Q

what are the 3 concha called

A
  • inferior
  • middle
  • superior
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5
Q

which is the largest concha

A

inferior

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6
Q

which of the concha is a separate bone in its own right

A

inferior

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7
Q

what bone are the middle and superior concha part of

A

ethmoid

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8
Q

what are the passage ways of air that are under the concha called

A

meatus

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9
Q

what epithelium lines the nasal cavity

A
  • mostly respiratory (pseudostratified columnar)

- olfactory at the top

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10
Q

what is immediately superior to the nasal cavity

A
  • frontal sinus

- cribriform plate

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11
Q

what is immediately posterior to the nasal cavity

A

sphenoidal sinus

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12
Q

what of note is in the inferior meatus

A

opening of the nasolacrimal duct (at highest point of inferior meatus)

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13
Q

what comes through the nasaolacrimal ducct

A

excess tears

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14
Q

what of note is in the middle meatus

A
  • hiatus semilunaris

- ethmoidal bulla

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15
Q

what is the hiatus semilunaris

A

curved recess in the middle meatus

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16
Q

what is inside the hiatus semilunaris

A
  • opening of frontal sinus

- opening of maxillary sinus

17
Q

what is the ethmoidal bulla

A

bulging piece of bone covered by muscous membrane (air containing cavities in there)

18
Q

what is the area at the top, posterior corner of the nasal cavity called

A

sphenoethmoidal recess

19
Q

what of note is in the sphenoethmoidal recess

A

opening of sphenoidal sinus

20
Q

what is in the sphenoid bone just posterior to the nasal cavity

A
  • sphenoidal sinuses

- pituitary fossa and gland

21
Q

what are the sphenoidal sinuses just below

A

turkish saddle

22
Q

what epithelium lines the sphenoidal sinuses

A

respiratory eptithelium