Which portion of the nephron extends into the medulla?
Henle's loop
Proximal convoluted tube
Distal convoluted tube
Papillary duct
Henle's loop
Different sections of nephrons are located in different parts of the kidney: The cortex contains the renal corpuscle, proximal, and distal convoluted tubules. The medulla and medullary rays contain the loops of Henle and collecting ducts.