腎臓[jinzou] kidney
腎不全[jinfuzen] renal failure
副腎[fukujin] suprarenal body
肝腎[kanjin] essential
萎縮腎[ishukujin] contracted kidney

腎石[jinseki] kidney stone
腎炎[jinen] kidney inflammation
腎臓炎[jinzouen] kidney inflammation
腎臓病[jinzoubyou] kidney trouble or disease
腎臓結石[jinzoukesseki] kidney stone