<prompt> Nasion lies at the junction ofFrontonasal and internasal sutureFrontonasal and interparietal sutureFrontonasal and frontozygomatic sutureFrontogomatic and internasal suture  <response>: The nasion is the point where the internasal and frontonasal sutures meet. It lies a little above the floor of the depression at the root of the nose, below the glabella. Nasion is termed as the central point of the frontonasal suture. Ref: BD Chaurasias HUMAN ANATOMY, Volume 3, 4th edition. 