U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Skip to Main Navigation
Skip to Page Content
Skip to Atlas Navigation

Testis - Sperm Granuloma - Gallery

Image of sperm granuloma in the testis from a male hamster in a subchronic study
Testis - Sperm granuloma in a male hamster. Though this example of a sperm granuloma is from a hamster, its appearance in a mouse or rat would be the same.