👉 Nephrodium is a type of kidney stone that typically occurs in the lower part of the kidneys, causing pain and discomfort. The kidneys are responsible for filtering waste products from the blood, but this process can be disrupted by stones, which can cause pain, swelling, and difficulty urinating. The term "nephrodium" refers to the condition where the kidney is blocked or obstructed, leading to a stone that forms in the renal pelvis. This condition can also result