<Tr> <Th> MeSH </Th> <Td> D008138 </Td> </Tr> <Tr> <Th> FMA </Th> <Td> 17698 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> In the kidney, the loop of Henle (English: / ˈhɛnli /) (or Henle's loop, Henle loop, nephron loop or its Latin counterpart ansa nephroni) is the portion of a nephron that leads from the proximal convoluted tubule to the distal convoluted tubule . Named after its discoverer, the German anatomist Friedrich Gustav Jakob Henle, the loop of Henle's main function is to create a concentration gradient in the medulla of the kidney . </P>

Which blood vessels surround the loop of henle