L16 Anatomy of respiratory tract Flashcards

*this is not detailed* only key bits, see powerpoint for detail

1
Q

what does upper resp tract consist of

A

nose, paranasal sinuses

pharynx

larynx

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2
Q

functional adaptations of the nose

A

Vibrissae - hairs

Conchae - divides nose, change air flow

Mucosa - goblet cells + cilia

Rich capillary network underlying the mucosa - warms air

Olfactory mucosa - smell receptors

Paranasal sinuses(not rly an adaptation cuz they dont even know for sure what it does but anyway)

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3
Q

what is pharynx divided into

A

nasopharynx

oropharynx

laryngopharync

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4
Q

what is only complete ring of cartilage in larync

A

cricoid cartilage

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5
Q

where do vocal chords attach to

A

arytenoid cartilage

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6
Q

what is lower resp tract made up of in series

A

trachea

primary bronchi
secondary bronchi
tertiary bronchi

bronchioles
terminal bronchioles
respiratory bronchioles (where gas exchange starts)

alveolar ducts
alveolar sacs
alveoli

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7
Q

where does trachea birfurcate

A

at carina into the primary bronchi

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8
Q

what are posterior ends of cartilage joined by

A

trachealis muscle

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9
Q

what type of epithelium in trachea

A

pseudostratified ciliated
columnar epithelium

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10
Q

whats diff about right primary bronchi compared to left

A

right is wider and more vertical
cuz left has to go over the heart

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11
Q

where does cartilage end

A

at bronchioles

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12
Q

what cells in terminal bronchioles produce surfactant

A

clara cells

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13
Q

where does goblet cells end

A

in terminal bronchioles

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14
Q

where does cilia end

A

in respiratory bronchioles

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15
Q

what type of epitherlium in alveolar cells

A

simple squamous epithelium

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16
Q

what type of cell makes surfactant in alveoli specifically

A

type II alveolar cell

17
Q

according to fucntion, what 2 portions can the resp tract be split into

A

conductive
repsiratory