
Interalveolar septum
An electron micrograph illustrates the components of the interalveolar septum separating adjacent alveoli. 3000x

Alveolar spaces
An electron micrograph illustrates the components of the interalveolar septum separating adjacent alveoli. 3000x

Interalveolar septa
An electron micrograph illustrates the components of the interalveolar septum separating adjacent alveoli. 3000x

Simple squamous epithelium
An electron micrograph illustrates the components of the interalveolar septum separating adjacent alveoli. 3000x

Connective tissue core
An electron micrograph illustrates the components of the interalveolar septum separating adjacent alveoli. 3000x

Capillaries
An electron micrograph illustrates the components of the interalveolar septum separating adjacent alveoli. 3000x

Endothelium
An electron micrograph illustrates the components of the interalveolar septum separating adjacent alveoli. 3000x

Air-blood barrier
An electron micrograph illustrates the components of the interalveolar septum separating adjacent alveoli. 3000x