Histology of the Respiratory System Flashcards
Explain the olfactory epithelium?
There are neural stem cells in this olfactory mucosa which may be used for
WHat are each of these tubes?
Oesophagus posterior,
trachea anteior.
What are each of the arrows pointing to?
How do you know what each of the arrows is pointing to?
Changes in each of these listed things from trachea to bronchi.
Explain how the cilia move mucous out?
How does chronic coughing change respiratory epithelium?
What are the different types of cells in the alveoli?
Percentage of cell make up of each, and how much area they cover?
What are their purpose?
What is the pulmonary pressure?
The difference in pressure between the alveoli and capillary.
What is labeled here?
What is the structure between A and B?
What type of cell is this?
What is its purpose and explain its main job?
What is a lamellar body?
Produced by type 2 pneumocyte and is important in secreting surfactant which is a phospholipid rich secretion.
What prevents the blood gas barrier from breaking?
What happens if the blood pressure goes up in these capillaries?
Strong type 4 collagen in the basement membrane.
If pressure increases, collagen gets thicker, ability to exchange decreases.
What is another name for a macrophage in the lungs?
Dust cell.
