Lung - Foreign Material - Gallery

Lung, Alveolus - Foreign material in a male Harlan Sprague-Dawley rat from a subchronic study. The black material is considered to be the test agent.

Lung, Alveolus - Foreign material in a male Harlan Sprague-Dawley rat from a subchronic study (higher magnification of Figure 1). The black material is considered to be the test agent, and the majority is contained within alveolar macrophages.