Diffuse Alveolar Damage (40X)
Diffuse Alveolar Damage (40X)

The blue arrows point to the type II pneumocytes which are very prominent; their nuclei protruding into the alveolar space.
The arrows highlight the thickened septum.
The septum contains excess collagen, fibroblasts, and lymphocytes.
Hyaline membranes are not present.
(Description By:Melinda Sanders, M.D. )
(Image Contrib. by: UCHC )