The<unk>  (or distal straight tubule) is a segment of the nephron in the kidney. It can be divided into two parts: that in the renal medulla, and that in the renal cortex.
Thick ascending limb of loop of Henle
Thin ascending limb of loop of Henle
Renal tubule
Loop of Henle
Distal convoluted tubule
Renal corpuscle
Renal medulla
Peritubular capillaries