The

stellate veins The stellate veins are minute veins situated just beneath the fibrous capsule of the kidney. The stellate veins drain the superficial-most portion of the renal cortex. Groups of 5 or 6 stellate veins are arranged in a star-like pattern, converging ...

join to form the interlobular veins, which pass inward between the

rays Ray or RAY may refer to: Fish * Ray (fish), any cartilaginous fish of the superorder Batoidea * Ray (fish fin anatomy), the bony or horny spine on ray-finned fish Science and mathematics * Half-line (geometry) or ray, half of a line split at an ...

, receive branches from the

plexuses In anatomy, a plexus (from the Latin term for 'braid') is a branching network of blood vessels, lymphatic vessels, or nerves. The nerves are typically axons outside the central nervous system. The standard plural form in English is plexuses. Al ...

around the

convoluted tubule Convoluted tubule is the compound of a metanephridium which is wrapped with Capillary, capillaries. It is highly coiled so as to increase surface area for more effective reabsorption, which occurs in this part of the metanephridium. The distal tu ...

s, and, having arrived at the bases of the

renal pyramids The renal medulla (Latin: ''medulla renis'' 'marrow of the kidney') is the innermost part of the kidney. The renal medulla is split up into a number of sections, known as the renal pyramids. Blood enters into the kidney via the renal artery, whic ...

, join with the

venae rectae The vasa recta of the kidney, (vasa recta renis) are the straight arterioles, and the straight venules of the kidney, – a series of blood vessels in the blood supply of the kidney that enter the medulla as the straight arterioles, and leave t ...

References

External links

* - "Urinary System: kidney, H&E, interlobular artery and vein" Kidney anatomy {{circulatory-stub