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Alveolus
With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x
![Alveoli <p>With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.R.A.07.P01.png)
Alveoli
With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x
![Interalveolar septum <p>With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.R.A.07.P02.png)
Interalveolar septum
With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x
![- Type I cells <p>With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.R.A.07.P03.png)
- Type I cells
With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x
![- Type II cell <p>With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.R.A.07.P04.png)
- Type II cell
With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x
![- Capillaries <p>With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.R.A.07.P05.png)
- Capillaries
With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x
![- Endothelial cell nuclei <p>With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.R.A.07.P06.png)
- Endothelial cell nuclei
With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x
![Air-blood barrier <p>With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.R.A.07.P07.png)
Air-blood barrier
With the electron microscope, the details of the interalveolar septum are more obvious. Capillaries bulge into the alveoli. Type I and endothelial nuclei are readily distinguishable. Lamellar bodies and microvilli are obvious on the septal cells. 4000x