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RES Biweekly 1 > Sayner- histology of respiratory system > Flashcards

Sayner- histology of respiratory system Flashcards

(60 cards)

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1
Q

conduct air from external environment down to acinar airways; warm, moisten, and cleanse

A

conducting airways

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2
Q

carry deoxygenated blood to lungs

A

pulmonary a.

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3
Q

carry mixed oxygenated blood back to heart from lungs

A

pulmonary veins

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4
Q

circulation in the lungs that is nutritional

A

bronchial

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5
Q

fluid balance and immune defense (BALT)

A

lymphatics

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6
Q

filled w/ extracellular matrix and helps support the lung tissue

A

interstitium

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7
Q

L and R

A

L: esophagus
R: trachea

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8
Q

C shaped cartilage ring surrounds what

A

trachea

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9
Q

C shaped cartilage ring
submucosal glands
smooth muscle bridge (posterior)

A

trachea

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10
Q

what causes cartilage calcification and stiffness of trachea

A

aging

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11
Q

mucosa
submucosa
cartilage rings
adventitia

A

trachea

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12
Q

submucosa here contains submucosal glands

A

trachea

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13
Q

pseudostratified ciliated columnar epithelium

A

respiratory mucosa

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14
Q
A

respiratory mucosa

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15
Q

connective tissue
highly vascularized

A

lamina propria of respiratory mucosa

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16
Q
A

respiratory epithelium w/ goblet cells and ciliated cells

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17
Q

stores mucus

A

goblet cells

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18
Q

helps move mucus up and out

A

ciliated cells

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19
Q

cilia in cross section (9 + 2); microtubule structures that have motility b/c of dynein motors

A

Axenome

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20
Q

can paralyze cilia and cause patients to cough to help move mucus out; squamous cell metaplasia

A

smoking

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21
Q

mutation that disrupts cilia motility (patients cant move mucus out of airways—coughing to help move mucus out )

A

primary ciliary dyskinesia

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22
Q
A

trachea

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23
Q

submucosal glands only present where

A

trachea and primary bronchi

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24
Q

these are seromucous glands that have serous and mucus secretions

A

submucosal glands

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25
w/ each division of branching, there is a decrease in what and an increase in what
decrease in diameter increase in surface area
26
these contain cartilage plates
primary bronchi
27
primary bronchi
28
L and R
L: bronchi R: blood vessel
29
bronchi and pulmonary a
30
bronchovascular bundle and interstitium
31
flatter respiratory epithelium continuous smooth muscle layer submucosal glands cartilage plates
bronchi
32
conduct air to respiratory zone of the lung
bronchioles
33
mucosa of this turns to cuboidal distally and loss of cilia and goblet cells
bronchioles
34
spiral organization of smooth muscle
bronchioles
35
no cartilage plates and no more submucosal glands
bronchioles
36
no cartilage or submucosal glands
bronchiole
37
contain respiratory/pulmonary acinus
pulmonary lobules
38
Mixing of venous blood from bronchiole circulation and pulmonary circulation----in capillary bed (mixed venous blood in pulm vein
pulmonary lobule
39
lined with dome shaped club cells no goblet cells, no ciliated cells
terminal bronchioles
40
contain lipid/protein component (CC16 protein) and prevents airway collapse
terminal bronchioles
41
terminal bronchiole
42
spiral smooth muscle
terminal bronchiole
43
organizes a pulmonary acinus elastic fibers
respiratory bronchioles
44
elastic fibers
45
cuboidal epithelial cells club cells smooth muscle alveoli outpouchings
respiratory zone
46
respiratory zone
47
club cells smooth muscle bundles into lumen
respiratory bronchioles
48
alveolar duct and sacs and alveoli
49
site of gas exchange
alveoli
50
main 2 cell types in alveoli
type I and II pneumocytes
51
covers 90% of surface area of alveolus
type I pneumocyte
52
secretes surfactant and replaces type I cells
type II pneumocytes
53
contain pulmonary capillaries
septa
54
surfactant is synthesized here
lamellar bodies of Type II cell
55
reduces tendency of alveoli to collapse during expiration; contains proteins/lipids and antimicrobials
surfactant
56
surfactant supplementation or steroids to mother to help promote surfactant synthesis
for premature babies
57
thin side of septa
site of gas exchange
58
thick side of septa
connective tissue and elastic fibers
59
link adjacent alveoli
Pores of Kohn
60
the outer lining of the lung is the connective tissue and mesothelium
visceral pleura

RES Biweekly 1 (11 decks)

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