
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
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
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
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
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
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
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