Nasion
Nasion
Definition
Nasion is the frontmost point of the frontonasal suture. Essentially, it is the point on the forehead where the internasal suture and the frontonasal suture converge.
References
Liao, M., Wang, L., Shang, N. et al. Ultrasound measurements of fetal facial profile markers and their associations with congenital malformations during early pregnancy. BMC Pregnancy Childbirth 23, 772 (2023) & Fig 1. https://doi.org/10.1186/s12884-023-06067-6
