Nasion lies at the junction of: (A) Frontonasal and internasal suture, (B) Frontonasal and interparietal suture, (C) Frontonasal and frontozygomatic suture, (D) Frontogomatic and internasal suture
Answer is A. 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 Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.