nephronWiktionary 原文演变路径（由近及远）英语源自 ←古希腊语 νεφρός “kidney”词源说明From Ancient Greek νεφρός (nephrós, “kidney”) + -on.释义（英文）名词 Noun(anatomy) The basic structural and functional unit of the kidney, which filters the blood in order to regulate chemical concentrations, and thereby produces urine.词族派生词（6）nephron loopnephronalnephronicnephronophthisisoligomeganephroniapronephron