Digital Histology
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Alveolus

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x

Alveoli <p>The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x</p>

Alveoli

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x
Interalveolar septum <p>The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x</p>

Interalveolar septum

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x
- Type I cells <p>The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x</p>

- Type I cells

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x
- Type II cells <p>The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x</p>

- Type II cells

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x
- Capillaries <p>The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x</p>

- Capillaries

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x
- Endothelial nuclei <p>The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x</p>

- Endothelial nuclei

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x
Air-blood barrier <p>The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x</p>

Air-blood barrier

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x
Macrophage <p>The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x</p>

Macrophage

The attenuated cytoplasm of the type I cells lines the interalveolar septum. Septal cells can be identified readily by their vacuoles containing the precursor proteins for surfactant. An alveolar macrophage, lying in in the surfactant layer of the alveolar lumen, is filled with phagocytosed material. 5000x
Main SlideAlveoliInteralveolar septum - Type I cells - Type II cells - Capillaries - Endothelial nucleiAir-blood barrierMacrophage