1) Incision 2) Section 3) Surgical incision 4) Urologic surgery 
Nephrotomy describes a surgical procedure in which an incision in the kidney is made. ...
• (n.) Extraction of stone from the kidney by cutting. • (n.) Extraction of stone from the kidney by cutting.
(nә-frot´ә-me) incision of a kidney.
Ne·phrot'o·my noun [ Greek ... a kidney + ... to cut: confer French néphrotomie .] (Surg.) Extraction of stone from the kidney by cutting. 
An operation into the kidney.
Type: Term Pronunciation: ne-frot′ŏ-mē Definitions: 1. Incision into the kidney.
A nephrotomy is a surgical incision into a kidney.
[n] - incision into a kidney (usually to remove a kidney stone)
noun incision into a kidney (usually to remove a kidney stone)
incision into the kidney, as for the removal of a calculus.