In human respiratory system: The gas-exchange region. The alveolar wall, called the interalveolar septum, is common to two adjacent alveoli. It contains a dense network of capillaries, the smallest of the blood vessels, and a skeleton of connective tissue fibres.

What is interalveolar septum function?

The alveolar septum is also called the interalveolar septum or the interradicular septum, and is one of the very thin plates of bone that separates the alveoli or tooth sockets in the teeth from one another in both the maxillary alveolar ridge and the lower alveolar ridge.

What are components of interalveolar septum?

The alveolar septum or wall consists of three components: epithelium (which lines the alveolus or air space), interstitium, and capillary endothelium.