The ammonia makes the urine more alkaline and favors precipitation of magnesium, ammonium, and phosphate into jagged crystals called " staghorns" because they often branch into the several of the renal calyces and look like the horns of a staghorn deer.
氨的存在使得尿液碱性增强,利于镁、铵和磷酸盐沉淀,形成锯齿状的结晶,称为“鹿角”,因为它们通常会分叉延伸入肾盏,看上去就像麋鹿的角。