Renal sinus
Renal Sinus
The Renal Sinus (pronunciation: /ˈriːnəl ˈsaɪnəs/) is a crucial part of the kidney that plays a significant role in its function and overall health.
Etymology
The term "Renal" is derived from the Latin word "renes," meaning kidneys, and "Sinus" is a Latin term meaning "pocket" or "bay." Thus, the Renal Sinus refers to a cavity or space within the kidney.
Definition
The Renal Sinus is a cavity within the kidney which is occupied by the renal pelvis, renal calyces, blood vessels, nerves, and fat. It is located at the medial border of the kidney, where the vessels and ureter enter and exit.
Function
The primary function of the Renal Sinus is to act as a pathway for structures that are entering or exiting the kidney. These structures include the renal artery, renal vein, lymphatic vessels, nerves, and the ureter.
Related Terms
- Renal Pelvis: The funnel-shaped structure within the kidney that collects urine from the nephrons and passes it onto the ureter.
- Renal Calyces: The extensions of the renal pelvis that collect urine from the pyramids in the kidney and direct it into the renal pelvis.
- Renal Artery: The blood vessel that carries oxygenated blood to the kidneys.
- Renal Vein: The blood vessel that carries deoxygenated blood away from the kidneys.
- Ureter: The tube that carries urine from the kidney to the bladder.
External links
- Medical encyclopedia article on Renal sinus
- Wikipedia's article - Renal sinus
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