calcium oxalate

noun

: a crystalline salt CaC₂O₄ normally deposited in many plant cells and in animals sometimes excreted in urine or retained in the form of urinary calculi

Example Sentences

Recent Examples on the Web

However, calcium in the form of a supplement may increase your chances of forming new calcium oxalate kidney stones.34 Recent research has shown that supplemental calcium may increase the risk for kidney stone formation in postmenopausal women supplementing with 1,000 mg of calcium per day. —Casey Seiden, Ms Rdn Cdn Cdces, Verywell Health, 12 Mar. 2023

The study points out that the eggs are coated in calcium oxalate, a compound that’s somewhat resistant to digestive acid. —Mark Barna, Discover Magazine, 1 June 2018

When energy is available, the microbes spit out oxalic acid, which precipitates as calcium oxalate crystals and causes further disruption. —Jeffrey Marlow, Discover Magazine, 27 Feb. 2016

All members of the aroid family contain calcium oxalate crystals which can cause blistering and are considered potentially toxic. —Janet Carson, Arkansas Online, 20 Dec. 2021

In their recent research, summarized in Nature Reviews Urology, the researchers primarily used GeoBioCell to study growing calcium oxalate crystals, which account for about 70 percent of kidney stones. —Harini Barath, Scientific American, 16 Aug. 2021

Many common indoor houseplants, including pothos and dieffenbachia, contain calcium oxalate crystals that can cause mouth pain and stomach upset in children and pets. —Lisa Boone, Los Angeles Times, 29 Apr. 2021

Unfortunately, Swiss cheese plant contains calcium oxalate crystals, which are toxic to pets, causing irritation of the mouth, lips, or tongue and also may cause drooling, vomiting or difficulty swallowing. —Arricca Elin Sansone, Country Living, 10 Mar. 2021

In addition to the DNA analysis, the researchers scoured the surface of the drawings with a microscope and spotted incrustations of calcium oxalate crystals produced by these fungi. —Matt Simon, Wired, 25 Nov. 2020

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Word History

First Known Use

1868, in the meaning defined above

Medical Definition

calcium oxalate

noun

: a colorless crystalline salt CaC₂O₄·H₂O that is noted for its insolubility and is sometimes excreted in urine or retained in the form of urinary calculi