struvite

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Related to Ammonium magnesium phosphate: struvite calculi

stru·vite

(strū'vīt),
The hexahydrate of magnesium ammonium phosphate; found in some renal calculi. Compare: bobierrite, newberyite.
[H.C.G. von Struve, Russian diplomat + -ite]

struvite

(strū′vīt)
Magnesium ammonium phosphate crystals, important in health care because they cause about 15% of all kidney stones. They are formed in the urinary tract in conjunction with some bacterial infections, such as infection with Proteus mirabilis, and in some patients with hypercalciuria.

struvite

magnesium-ammonium-phosphate hexahydrate. See also urolith.

struvite calculi
see struvite uroliths.
struvite crystalluria
a normal finding in cats but large numbers of crystals and, rarely, calculi are found in feline urological syndrome, contributing to obstruction of the urinary tract.
Enlarge picture
Struvite crystals in urine sediment. By permission from Meyer D, Raskin RE, Atlas of Canine and Feline Cytology, Saunders, 2001