COVID-19 is an emerging, rapidly evolving situation.

Get the latest public health information from CDC and research information from NIH.

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.

Https

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

Pituitary Gland, Rathke's Cleft - Dilation - Gallery

Image of Rathke's cleft dilation in the pituitary gland from a female F344/N rat in a chronic study
Pituitary, Rathke�s cleft - Dilation in a female F344/N rat from a chronic study. The dilated Rathke�s cleft is filled with intensely eosinophilic proteinaceous material with cholesterol clefts (arrow) present at the edge of the dilated cleft.
Image of Rathke's cleft dilation in the pituitary gland from a female F344/N rat in a chronic study
Pituitary, Rathke�s cleft - Dilation in a female F344/N rat from a chronic study. Higher magnification of Figure 1 shows the dilated Rathke�s cleft filled with intensely eosinophilic proteinaceous material and the cholesterol clefts (arrow) at the edge of the dilated cleft in greater detail.
Image of Rathke's cleft dilation in the pituitary gland from a female F344/N rat in a chronic study
Pituitary, Rathke�s cleft - Dilation in a female F344/N rat from a chronic study. The dilated Rathke�s cleft contains pale eosinophilic proteinaceous material and erythrocytes (hemorrhage).