Answer: stereotactic

AnswerCrossword Clue
stereotacticinvolving or used in a surgical technique for precisely directing the tip of a delicate instrument or beam of radiation in three planes using coordinates provided by medical imaging in order to reach a specific locus in the body also STEREOTACTICAL
stereotacticRelating to or denoting techniques for surgical treatment or scientific investigation that permit the accurate positioning of probes inside the brain or other parts of the body, based on three-dimensional diagrams