Deer shed their antlers each year.
每年都蜕
。
枝茸的叉Deer shed their antlers each year.
每年都蜕。
In this case, a large "staghorn" calculus (so named because the prominent projections of the stone into the calyces resemble deer antlers) was present that filled up the pelvis and calyceal system.
在这个病例中，有一个大的状的
（如此命名是因为
入到肾盏内与很相似）填满了肾盂肾盏。
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