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MED215 > Lecture4: Histology Of Airwayss > Flashcards

Lecture4: Histology Of Airwayss Flashcards

1
Q

Which part of the respiratory mucosa has an immunological protective function?

A

Lamina propria

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2
Q

Describe Lamina Propria?

A

Highly vascular and has plasma cells

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3
Q

What is mucus?

A

Goblet cells and mixed muco-serous glands

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4
Q

What does Mucus move in the form of?

A

A continuous Mucous blanket

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5
Q

Which nasal cavity is dilated and lined by skin?

A

The Nasal Vestibule

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6
Q

Which Nasal Cavity makes up most of the volume of the nasal cavities and lined by the respiratory mucosa?

A

Respiratory Region

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7
Q

Which nasal cavity is for smell?

A

Olfactory region

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8
Q

Which nasal cavity is at the roof of the nasal cavity?

A

Olfactory region

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9
Q

Describe Olfactory cells?

A

Bipolar neurons, has an apical aspect modified to form olfactory vesicles and a base of axons that form nerve fibers

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10
Q

Describe Sustentacular cells

A

Columnar cells who’s apical aspects have microvilli

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11
Q

What is Sustentacullar cells function?

A

Provide physical support, nourishment and electrical insulation for the Olfactory cells

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12
Q

Describe Basal Cells?

A

Stem cell

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13
Q

What does Lamina Propria contain?

A

Serous-fluid secreting Bowman’s Glands

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14
Q

What is the Nasopharynx lined by?

A

Respiratory mucosa

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15
Q

What is under the Nasopharynx’s roof?

A

Lamina Propria

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16
Q

What does the Nasopharynx’s posterior wall contain?

A

Pharyngeal tonsil

17
Q

How is the Larynx kept open?

A

By cartilages in it’s walls

18
Q

What is the Larynx covered by?

A

Respiratory mucosa

19
Q

What does the submucosa of the trachea contain?

A

Mucous + serous submucosal glands

20
Q

What do the submucosal ducts extend to open into?

A

Surface of the mucosa

21
Q

What does the Catrilage Layer of the Trachea look like?

A

16-20 incomplete C-shaped rings separated by fibroelastic

22
Q

What does the Posterior wall of the Cartilage layer contain?

A

Trachealis muscle

23
Q

Describe the Adventitia of the trachea?

A

Fibroelastic CT that binds trachea to adjacent structures

MED215 (20 decks)

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