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BDS2.5 Anatomy > Nasal Cavity > Flashcards

Nasal Cavity Flashcards

1
Q
A

A = nasal bone
B = frontal process of maxilla
C = Lateral process of septal nasal cartilage
D = septal cartilage
E = lateral crus of major alar cartilage
F = medial crus of major alar cartilage
G = anterior nasal spine of maxilla

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2
Q
A

A = minor alar cartilage
B = accessory nasal cartilage
C= septal nasal cartilage

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3
Q

What is the anterior opening of the nose called?

A

piriform apeture

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4
Q

What is the posterior opening of the nose?

A

choanae

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5
Q

What does the choanae open into?

A

nasopharynx

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6
Q
A

A = choanae

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7
Q

What is the role of the conchae?

A

mucous membrane warms cold air

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8
Q

what bone do the conchae belong?

A

ethmoid

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9
Q
A
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10
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11
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12
Q
A
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13
Q

What conchae is its own bone?

A

Inferior conchae

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14
Q
A

A = palatine bone
B = perpendicular plate of palatine bone

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15
Q
A

A = squamous part of frontal bone
B = sinus of frontal bone

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16
Q
A
17
Q

What are the spaces inferior to the conchae?

A

meatuses

18
Q

What is superior to the superior meatus?

A

sphenoethmoidal recess

19
Q
A

A = opening of pharyngotympanic tube
B = nasopharynx

20
Q
A

A = superior meatus
B = middle meatus
C = inferior meatus

21
Q
A

Sphenoethmoidal recess

22
Q
A

A = opening of the pharyngotympanic tube
B = nasopharynx

23
Q
A

A = middle conchae
B= middle meatus
C = inferior conchae
D = inferior meatus
E = ethmoidal sinus

24
Q

What is the most important meatus?

A

Middle

25
Q

Why is the middle meatus the most important?

A

Lots of the sinuses open into the middle meatus

26
Q

What are 3 structures associated with the middle hiatus?

A

Ethmoidal infundibulum

Hiatus emilunaris

Ethmoidal bulla

Maxillary sinus

27
Q
A

A = infundibulum
B = bulla ethmoidalis
C = hiatus semilunar
D = spheno-ethmoidal recess

28
Q

What sinus is this and in the case of an infection, where would the infection drain to?

A

Middle meatus via the infundibulum opening

29
Q

This is the opening of what sinus?

A

Maxillary sinus

30
Q

What sinus is this, and where is it draining to?

A

Posterior ethmoidal cells into the lateral wall of superior meatus

31
Q
A

Opening of nasolacrimal duct

32
Q

What sinus is circled, and where does it drain into?

A

Sphenoidal sinus, drains into the spheno-ethmoidal recess

33
Q

Do sinuses drain into the inferior meatus?

A

No, only excess tears from the nasolacrimal duct

BDS2.5 Anatomy (28 decks)

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