Histology Flashcards

1
Q

Nasal Cavity

A

Lined by respiratory epithelium (psuedostratified ciliated columnar), underneath is lamina propria and connective tissue (containing seromucous glands)

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2
Q

Ooropharynx

A

Transmits both air and food so lined by non keratinised squamous epithelium

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3
Q

Larynx

A

Walls made of cartilage and muscle, except for vocal cords which are lined with stratified squamous epithelium

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4
Q

Trachea

A
Respiratory epithelium
Basal lamina
Lamina propria
Submucosa (includes seromucous glands)
Cartilaginous rings
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5
Q

Bronchi

A

Respiratory epithelium
Lamina propria (smooth muscle and seromucous glands)
Irregular shaped cartilage

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6
Q

Bronchioles

A

No cartilage
Cuboidal epithelium
Lamina propria (smooth muscle)

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7
Q

Terminal bronchioles

A

Contain Clara cells

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8
Q

Clara cells

A

Detoxify
Immune modulation
Surfactant production

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9
Q

Respiratory Bronchiole

A

Alveoli interrupt wall of airway

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10
Q

Type 1 alveolar cells

A

Simple squamous epithelium
90% alveolar surface
Blood air barrier

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11
Q

Type 2 alveolar cells

A

Polygonal shape with mircrovilli

Contains surfactant

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12
Q

Alveolar macrophages

A

Phagocytose inhaled particles

Migrate up bronchiole tree to be swallowed

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