kidney stones

kidney stone

noun Pathology.
an abnormal stone, or concretion, composed primarily of oxalates and phosphates, found in the kidney.
Also called renal calculus.


Origin:
1970–75

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World English Dictionary
kidney stone
 
n
1.  pathol Also called: renal calculus a hard mass formed in the kidney, usually composed of oxalates, phosphates, and carbonates
2.  mineralogy another name for nephrite

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

kidney stone n.
A small hard mass in the kidney that forms from deposits chiefly of phosphates and urates. Also called nephrolith.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
kidney stone  
A calculus that originates in the kidney and is usually composed of calcium salts, uric acid, cystine, and other compounds. Kidney stones cause extreme pain and bleeding if they obstruct the passage of urine in the kidney or in the ureter. They can often be treated with lithotripsy .
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

kidney stones definition


Small, hard masses that form by chemical precipitation and are found in the kidneys. Kidney stones vary in size, with most of them being small enough to pass through the urinary tract for elimination in the urine. Some, however, may be large enough to obstruct the kidney and cause tremendous pain.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
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Published by Houghton Mifflin Company. All rights reserved.
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