Main Entry: neph·ron

Pronunciation: \ˈnef-ˌrän\

Function: noun

: a single excretory unit especially of the vertebrate kidney typically consisting of a Malpighian corpuscle, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting tubule, and vascular and supporting tissues and discharging by way of a renal papilla into the renal pelvis