A microscopic image of a normal mouse small intestine. Cells stained red express normal amounts of cell-surface tags (MHC-II) needed by immune cells to find threats like infections or cancer. High-fat ...

Researchers have found that the small intestine grows in response to pregnancy in mice. This partially irreversible change may help mice support a pregnancy and prepare for a second. Researchers at ...

Commensal bacteria (red) reside amongst the mucus (green) and epithelial cells (blue) of a mouse small intestine. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...