Endothelin redistributes blood flow through the lamellae of rainbow trout gills

  title={Endothelin redistributes blood flow through the lamellae of rainbow trout gills},
  author={Lena Sundin and G{\"o}ran E Nilsson},
  journal={Journal of Comparative Physiology B},
The lamellae of the fish gill are the primary sites for oxygen uptake from the water. Here, only two very thin layers of cells separate the blood from the water. Therefore, energetically costly ion-fluxes will also occur between blood and water, and it has been hypothesised that the blood flow within the lamellae can be regulated through vasoconstriction, but evidence for this has been lacking. Through direct observations of the lamellae of rainbow trout (Oncorhynchus mykiss) in vivo, using epi… CONTINUE READING
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