Figure 1. A simple diagram of the blood supply of the renal medulla. Thick arrows represent the increase in intrapelvic pressure secondary to acute ureteric obstruction. mTAL, medullary thick ascending limb of loop of Henle.
Figure 1. A simple diagram of the blood supply of the renal medulla. Thick arrows represent the increase in intrapelvic pressure secondary to acute ureteric obstruction. mTAL, medullary thick ascending limb of loop of Henle.