Renal arteries
Renal Arteries
The Renal Arteries (pronunciation: /ˈriːnəl ˈɑːrtəriz/) are the two main vessels that supply blood to the kidneys. They originate from the Abdominal aorta and are responsible for carrying a large portion of total blood flow to the kidneys.
Etymology
The term "Renal" is derived from the Latin word "renes", meaning kidneys, and "arteries" from the Greek word "ἀρτηρία" (artēría), meaning windpipe, artery.
Anatomy
The renal arteries are paired blood vessels, each arising from the abdominal aorta and supplying a respective kidney. They are located at the level of the second lumbar vertebra. Each renal artery gives off several branches, including the Inferior suprarenal artery, Segmental arteries, Interlobar arteries, Arcuate arteries, and Interlobular arteries.
Function
The primary function of the renal arteries is to transport oxygenated blood from the heart to the kidneys. This blood is filtered in the kidneys to remove waste products and excess substances, which are then excreted in the urine.
Related Terms
- Renal Vein: The vein that drains the kidney and connects to the inferior vena cava.
- Renal Cortex: The outer portion of the kidney, where blood filtration takes place.
- Renal Medulla: The innermost part of the kidney, which contains the structures responsible for the concentration and dilution of urine.
- Renal Pelvis: The funnel-shaped structure in the kidney that collects urine from the renal pyramids and directs it into the ureters.
External links
- Medical encyclopedia article on Renal arteries
- Wikipedia's article - Renal arteries
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