![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
Pleura
Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x
![Pleural space <p>Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.P.02.P01.png)
Pleural space
Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x
![Alveoli <p>Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.P.02.P02.png)
Alveoli
Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x
![Visceral pleura <p>Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.P.02.P03.png)
Visceral pleura
Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x
![- Mesothelium <p>Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.P.02.P04.png)
- Mesothelium
Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x
![- Connective tissue layer <p>Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.P.02.P05.png)
- Connective tissue layer
Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x
![- Blood vessels <p>Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.P.02.P06.png)
- Blood vessels
Visceral pleura covers the exterior of the lung, sending septa into lung tissue proper. Pleura is composed of a mesothelium (simple squamous epithelium) and an underlying connective tissue containing elastic fibers and blood vessels. 200x