renal pelvis
Học thuậtThân thiện
The diagram clearly labels the renal pelvis within the kidney's internal structure.
Definition
- Noun:
- A funnel-shaped structure in the kidney: The renal pelvis is the central collecting cavity of the kidney. It is shaped like a funnel and receives urine from the major calyces.
- A part of the urinary tract: It is the area where urine collects before being channeled into the ureter for passage to the bladder.
Usage Examples
- Noun:
- The ultrasound revealed a small stone in the renal pelvis.
- Urine drains from the kidney's collecting ducts into the renal pelvis.
Advanced Usage
- Medical Context: The term is primarily used in anatomical, physiological, and medical contexts (e.g., urology, radiology, nephrology).
- Hydronephrosis is often caused by an obstruction at the level of the renal pelvis or ureter.
- Descriptive Anatomy: Used to describe the specific part of the kidney's internal architecture.
- The renal pelvis is lined with transitional epithelium.
Variants and Related Words
- Pelvis (noun): A general term for a basin-shaped structure. In anatomy, it can refer to the bony pelvis or the renal pelvis. Context is crucial.
- Renal (adjective): Pertaining to the kidneys.
- Pyel- (prefix): A combining form relating to the renal pelvis, as in (inflammation of the kidney and renal pelvis).
Synonyms
- Kidney pelvis: A less common but direct synonym.
- Pelvis of the kidney: A descriptive synonym.
Related Phrases and Terms
- Pelviureteric junction (PUJ): The point where the renal pelvis narrows to become the ureter.
- A blockage at the pelviureteric junction can cause backflow of urine.
- Renal calyx: The structures (minor and major calyces) that channel urine into the renal pelvis.
Notes on Meaning
- The renal pelvis is specifically an anatomical structure. It is not a general term and has no idiomatic or figurative uses.
- It is a singular noun. The plural is or, less commonly, .
The diagram clearly labels the renal pelvis within the kidney's internal structure.
Noun
- a structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter