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Anatomy > Nasal Cavity > Flashcards

Nasal Cavity Flashcards

1
Q

What a re the three regions of the nasal cav

A

Vestibule
Respiratory
Olfactory

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2
Q

What’s lines the respiratory region

A

Ciliated pseudo stratified epi with goblet cells

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3
Q

What are the conchae of the nasal cav

A

Shelves of bone which act as turbinates and increase the sa
Inferior
Middle
Superior

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4
Q

What bones form the conchae

A

Ethmoid - superior and Middle

Independant - inferior

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5
Q

What are the four meatuses

A

Inferior
Middle
Superior
Sphenoethmoidal recess

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6
Q

What doe the meatuses drain

A

Paranasal sinuses

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7
Q

What drains into the Middle meatus

A

Frontal
Maxillary
Anterior ethmoidal sinuses

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8
Q

What drains Into the superior meatus

A

Posterior ethmoidal sinuses

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9
Q

What drinks into the sohenoethmidal recess

A

Sphenoidal sinus

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10
Q

What drains out of the inferior meatus

A

The nasolacrimal duct

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11
Q

What does the crubiform plate have to do with he nasal cav

A

Part fo the ethmoid bone
Roof
Perforations for olfactory nerve to enter and exit

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12
Q

What does the sphenopalatine formane allow

A

Communication between nasal cav and pterygopalatine fossA

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13
Q

What passes through the sphenopalatine foramen

A

Sphenopalatine artery
Nasopalatine artery
Superiori nasal nerves

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14
Q

What si the incisive canal

A

Pathway between nasal cav and incisive fossA of oral cav

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15
Q

What tarvesl through th incisive canal

A

Nasopalatine nerve and greater palatine artery

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16
Q

What supplies the blood

A

Ica and Eca

17
Q

What branches of the Ica contribute to the nose

A

Anterior and posterior ethmoidal arteries from the Opthalmic artery

18
Q

What contributes to the nasal cav from the Eca

A

Sphenopalatine
Greater palatine
Superior labial
Lateral nasal

19
Q

What does all the arteries supplying the nose do

A

Anastamosis at littlest area (kiesselbachs) prone to nose bleeds

20
Q

What does the drainage of the nasal cav go to

A

Pterygoid venous plexus, facial veins and cavernous sinus

21
Q

What supplies the special sensory of smell

A

Olfactory nerve via crubiform plate and has olfactory Mucosa

22
Q

What supplies the nose with general sensory

A

V1 - nasociliary

V2 - nasopalatine

23
Q

What supplies the sensory of the external nose

A

Trigeminal

24
Q

What are the functions of the nasal cavity

A

Warm and humidify air
Remove pathogens
Sense of smell
Drain and clear paranasal sinuses

Anatomy (44 decks)

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