Juxtamedullary nephrons

Definition

Juxtamedullary nephrons are a specific type of nephron found in the kidneys, characterized by their long loops of Henle that extend deep into the medulla. These nephrons play a crucial role in concentrating urine and conserving water.

Related terms

Nephron:

The basic structural and functional unit of the kidney that filters blood and produces urine.

Loop of Henle:

A U-shaped tube in a nephron, extending from the cortex into the medulla, which concentrates urine by absorbing water and salts.

Medulla: The innermost part of the kidney, containing the loops of Henle and collecting ducts, crucial for urine concentration.