renal sinus

{{Short description|Cavity within the kidney}}

{{More sources needed|date=May 2015}}

{{Infobox anatomy

| Name = Renal sinus

| Latin = sinus renalis

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| System = Urinary system

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The renal sinus is a cavity within the kidney which is occupied by the renal pelvis, renal calyces, blood vessels, nerves and fat. The renal hilum extends into a large cavity within the kidney occupied by the renal vessels, minor renal calyces, major renal calyces, renal pelvis and some adipose tissue.{{Cite journal |last1=Rha |first1=Sung Eun |last2=Byun |first2=Jae Young |last3=Jung |first3=Seung Eun |last4=Oh |first4=Soon Nam |last5=Choi |first5=Yeong-Jin |last6=Lee |first6=Ahwon |last7=Lee |first7=Jae Mun |date=2004-10-01 |title=The Renal Sinus: Pathologic Spectrum and Multimodality Imaging Approach |url=https://pubs.rsna.org/doi/10.1148/rg.24si045503 |journal=RadioGraphics |volume=24 |issue=suppl_1 |pages=S117–S131 |doi=10.1148/rg.24si045503 |pmid=15486236 |issn=0271-5333}}