Access for long-term infusion in the superior mesenteric artery (SMA) of rats is a surgical procedure that consists of cannulation of a proximal branch of the SMA. The cannula exits from the abdominal wound and is tunneled through the subcutaneous space back to the interscapular fold.
Borrello, A., Agnes, A. L., Pellegrino, E., Magalini, S., Gui, D. Targeting the Rat's Small Bowel: Long-Term Infusion into the Superior Mesenteric Artery. J. Vis. Exp. (170), e60787, doi:10.3791/60787 (2021).