《英文msh词典》Kidneys,Sponge
[入口词] Kidneys,Sponge
[主题词] Kidney,Sponge
[英文释义] Cystic disease of the medullary portion of the renal pyramids; asymptomatic unless complicated by infection,calculi,or obstruction; should be distinguished from congenital polycystic disease of the kidneys.