Acute Pneumonia (40X)
Acute Pneumonia (40X)

This is a close up of the contents of an alveolus.
The arrow points to a polymorphonuclear leukocyte.
Other cells present in the exudate include alveolar macrophages.
The eosinophilic background consists of proteinaceous debris.
(Description By:T.V. Rajan, M.D. )
(Image Contrib. by:T.V. Rajan, M.D. UCHC )