Definition

Noun A hard, stone-like mass that forms in the kidney from mineral salts and other substances found in urine. It is also commonly known as a kidney stone.

Usage

This is a medical term. It is used in clinical, scientific, and formal healthcare contexts to describe a specific pathological condition. * The patient was diagnosed with a urinary calculus causing severe flank pain. * Treatment options for a large urinary calculus may include lithotripsy or surgical removal.

Advanced Usage

• The term is often used to specify the location or type of calculus within the urinary system, differentiating it from calculi that may form in other organs like the gallbladder (gallstones).

Variants and Related Words

• Kidney stone: The common, non-technical synonym for urinary calculus.
• Nephrolith: A more specific medical term for a calculus located in the kidney itself.
• Renal calculus: Another formal term synonymous with urinary calculus, emphasizing the kidney ('renal') as the origin.
• Urolithiasis: The medical condition or process of having stones (calculi) in the urinary tract.

Synonyms

Kidney stone, nephrolith, renal calculus.

Related Phrases / Collocations

• To pass a urinary calculus: The process of the stone moving from the kidney through the ureter and out of the body.
• Formation of a urinary calculus: The process by which the stone develops.
• Obstructing urinary calculus: A stone that is blocking the flow of urine.

Noun

1. a calculus formed in the kidney