A puncture made with the aid of a microscope. ... (05 Mar 2000) ... 
(mi´kro-punk″chәr) the creation of minute openings by piercing. in renal physiology, the process by which nephron segments are pierced.
Type: Term Pronunciation: mī′krō-pŭnk′chūr Definitions: 1. A small puncture made with the aid of a microscope.