Interlobar arteries

Definition

Interlobar arteries are blood vessels in the kidneys that branch off from the renal arteries and travel between the renal lobes. They play a crucial role in delivering oxygenated blood to the nephrons for filtration and osmoregulation processes.

5 Must Know Facts For Your Next Test

1. Interlobar arteries extend through the renal columns, located between the pyramids of the kidneys.
2. These arteries eventually branch into arcuate arteries at the boundary between the cortex and medulla.
3. Interlobar arteries are essential for supplying blood to both cortical and juxtamedullary nephrons.
4. They contribute significantly to maintaining proper kidney function and overall fluid balance in the body.
5. Any obstruction or damage to interlobar arteries can lead to impaired kidney function or ischemia.

Review Questions

Related terms

renal artery: The main artery that supplies blood to each kidney, branching into smaller vessels like interlobar arteries.

nephron:

The functional unit of the kidney responsible for filtering blood and forming urine.

glomerulus:

A network of capillaries within each nephron where initial blood filtration occurs.