Pizza is a common fast food category in the United States, with chains such as Papa John's, Domino's Pizza, Sbarro and Pizza Hut. Menus are more limited and standardized than in traditional pizzerias, and pizza delivery, often with a time commitment, is offered.
Leucine crystals in Urine. 1  Leucine crystals are abnormal in urine.  Appearance: yellow-brown spheroids with concentric rings around the outer edge and radial striations in the center.
Description : Common crystals seen even in healthy patients include calcium oxalate, triple phosphate crystals and amorphous phosphates. The crystals shown above are typical triple phosphate crystals, found in feline and canine urine, and are classically described as rectangular coffin lid shape.They are also called magnesium ammonium phosphate or struvite crystals and are typically found in alkaline urine.In fact the name triple phosphate originates from an old erroneous belief that the phosphate ion was bound to 3 positive ions instead of just magnesium and ammonium.hey are also called magnesium ammonium phosphate or struvite crystals and are typically found in alkaline urine. In fact the name triple phosphate originates from an old erroneous belief that the phosphate ion was bound to 3 positive ions instead of just magnesium and ammonium.