Definition of Trocar
Trocar: A sharply pointed shaft, usually with a three-sided point. A trocar may be used within a cannula, a hollow tube, designed to be inserted into a vein, artery, bone marrow or body cavity. The word trocar is derived from the French "trois" (three) + "carre" (side).Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012
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