ne.phrid.i.um
n.（名词）【复数】 ne.phrid.i.a[-ô-…] A tubular excretory organ in many invertebrates, such as mollusks and earthworms.肾管：许多脊椎动物，比如软体动物和蚯蚓的管状排泄器官The excretory organ of a vertebrate embryo from which the kidney develops.原肾：脊椎动物胚胎的排泄器官，肾由此发展而来
来源：nephr(o)- nephr(o)-New Latin -idium [having a small form] from Greek -idion 现代拉丁语 -idium [具有很小形态] 源自 希腊语 -idion
【引伸】
nephrid.ial
adj.（形容词）
