Question

Which structures are primarily involved in the countercurrent mechanism?

Answer 1

Counter current mechanism:

1. The countercurrent mechanism is a mechanism that allows for the production of concentrated urine.
2. The flow of filtrate in the two limbs of Henle's loop is in opposite direction, thus forming a counter current.
3. The two components of the countercurrent mechanism are:
   • Loop of Henle
   • Vasa recta