The term "sinus renalis" refers to a cavity in the kidney. The spelling of the word is fairly straightforward when using IPA phonetic transcription to break it down. "Sinus" is pronounced as "ˈsaɪnəs," with the emphasis on the first syllable. "Renalis" is pronounced as "rɪˈneɪlɪs," also with emphasis on the second syllable. It is important for individuals in the medical field to be able to spell and pronounce medical terms accurately in order to communicate precisely with their colleagues and patients.
Sinus renalis refers to the renal sinus, which is a cavity within the kidney that houses various structures and provides a channel for blood vessels, lymphatic vessels, nerves, and urine drainage. It is an essential anatomical area in the functioning of the kidney.
The renal sinus is located within the inner region of the kidney and is surrounded by the renal cortex. It contains the renal pelvis, which collects urine from the nephrons and transports it towards the ureter for elimination from the body. The sinus renalis also includes the renal blood vessels, such as the renal artery and vein, which supply blood to the kidney for filtration and waste removal.
Additionally, the sinus renalis contains lymphatic vessels that help drain excess fluid from the kidney and contribute to the immune function of this organ. Nerves within the sinus renalis are responsible for carrying sensory signals and controlling the various functions of the kidney, including blood pressure regulation and electrolyte balance.
Overall, the sinus renalis plays a crucial role in the functioning of the kidney by providing a space for important anatomical structures to carry out their respective functions, including urine collection, blood supply, waste removal, immune response, and neurological control.
The cavity of the kidney, containing the calyces and pelvis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "sinus renalis" has its roots in Latin.
- "Sinus" in Latin means "an open or curved space", which can also symbolize an "inward curve" or a "fold". In the context of anatomy, "sinus" refers to a cavity or hollow space.
- "Renalis" is the Latin adjective form of "renes", which means "kidney".
Therefore, the etymology of "sinus renalis" refers to the anatomical description of the kidney's cavity or hollow space.