This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: "Convoluted tubule" – news · newspapers · books · scholar · JSTOR (December 2009) (Learn how and when to remove this template message)
Diagram of the uriniferous tubule and the blood vessels of the kidney. PC is the proximal convoluted tubule and IDC is the distal convoluted tubule

Convoluted tubule is the compound of a metanephridium which is wrapped with capillaries. It is highly coiled so as to increase surface area for more effective reabsorption, which occurs in this part of the metanephridium.

References