Term
What are the conducting parts of the respiratory system? |
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Definition
nasal cavity, nasopharynx, larynx, trachea, bronchi, intrapulmonary bronchi, bronchioles |
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Term
What is the respiratory parts of the respiratory system? |
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Definition
Respiratory bronchioles, alveolar ducts, alveolar sacs, alveoli |
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Term
What are the functions of nasal mucosa? |
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Definition
filtration of air, warming, and humidification of air |
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Term
What is the respiratory mucous membrane epithelium? |
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Definition
pseudostratified columnar ciliated epithelium with goblet cells |
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Term
What are the three types of cells of the olfactory mucosa? |
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Definition
olfactory cells, supporting/sustentacular cells, basal cells |
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Term
What do you know about Waldeyer's ring? |
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Definition
Lymphoid tissue that forms a ring in the nasopharynx; used for immunity |
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Term
What is an enlargement of the pharyngeal tonsil called? |
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Definition
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Term
What are olfactory cells? |
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Definition
bipolar nerve cells; dendrites bathed in secretion of Bowman's glands |
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Term
How many cartilages form the larynx? |
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Definition
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Term
What type of cartilage is the epiglottis? |
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Definition
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Term
What is the lining epithelium of the larynx? |
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Definition
pseudostratified columnar ciliated with goblet cells |
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Term
What is the covering epithelium of the vocal cords? |
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Definition
stratified squamous epithelium |
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Term
What is the level of bifurcation of the trachea? |
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Definition
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Term
What is the type of cartilagenous rings of the trachea? |
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Definition
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Term
What is the lining epithelium of the trachea? |
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Definition
pseudostratified columnar ciliated with goblet cells |
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Term
What are the main differences between extrapulmonary and intrapulmonary bronchi? |
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Definition
Extrapulmonary has C-shaped cartilage, neruoendocrine cells (same as trachea); intrapulmonary have spirally arranged smooth muscles, plates of cartilage |
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Term
What are the differences between bronchioles and intrapulmonary bronchi? |
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Definition
Bronchioles have no cartilage, no glands, no goblet cells |
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Term
Where are Clara cells located? |
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Definition
between the lining epithelium in bronchioles |
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Term
What is the function of Clara cells? |
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Definition
prevent inflammation, lipoprotein, prevents luminal adhesion |
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Term
How do respiratory bronchioles differ from terminal bronchioles? |
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Definition
respiratory - exchange of gas |
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Term
What are the cells that line the alveoli? |
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Definition
Type I pneumocytes (simple squamous epithelium) & Type II pneumocytes (simple cuboidal: surfactant) |
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Term
What is the majority of cells found in alveoli? |
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Definition
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Term
Where is the phagocytic cell of the lung located? |
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Definition
Dust cell/ heart failure cell; found in alveolar lumen |
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Term
Blood air barrier is formed of? |
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Definition
type I pneumocytes; basement membrane; simple squamous epithelium of blood capillaries |
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