 
<translate> Ihe dị mkpa iji zaa ajụjụ a bụ: Nephron (nke sitere n'okwu Grik bụ́ νεφρός - nephros, nke pụtara "akụrụ") bụ akụrụ nke e ji microscope hụ, bụ́ nke e ji arụ ọrụ na ya. Ya mere, azịza ya bụ Nephron (site na Grik νεφρός - nephros, nke pụtara "akụrụ"). <eng> The important part for answering this question is: The nephron (from Greek νεφρός -- nephros, meaning "kidney") is the microscopic structural and functional unit of the kidney.
Therefore, the answer is The nephron ( from Greek νεφρός -- nephros , meaning `` kidney '' ). 