An important difference between the peritubular capillaries and the vasa recta in the kidney is that
A) only the vasa recta are supplied by efferent arterioles.
B) the vasa recta drain into arterioles, whereas the peritubular capillaries drain into venules.
C) the vasa recta are in the medulla, whereas the peritubular capillaries are in the cortex.
D) the vasa recta are involved in filtration, whereas the peritubular capillaries are involved in resorption.

Question

Quizplus · Accepted Answer

The vasa recta are located in the medulla of the kidney and are involved in maintaining the concentration gradient, while the peritubular capillaries are located in the cortex and are primarily involved in reabsorption of substances from the renal tubules.

An Important Difference Between the Peritubular Capillaries and the Vasa