vasa recta
noun plural
vasa rec·ta
-ˈrek-tə 
1
: numerous small vessels that arise from the terminal branches of arteries supplying the intestine, encircle the intestine, and divide into more branches between its layers
2
: hairpin-shaped vessels that arise from the arteriole leading away from a renal glomerulus, descend into the renal pyramids, reunite as they ascend, and play a role in the concentration of urine
Cite this Entry
“Vasa recta.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/vasa%20recta. Accessed 3 Nov. 2025.
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