STEREOTAXIC

[ste.reo.tax.ic] adj [NL stereotaxis stereotaxic technique, fr. stere- + -taxis] (1908): of, relating to, or being a technique or apparatus used in neurological research or surgery for directing the tip of a delicate instrument (as a needle or an electrode) in three planes in attempting to reach a specific locus in the brain -- ste.reo.tax.i.cal.ly adv