acanthion
n. C2 Proficiency acan·thion
n. a specific point on the front of the face where the nose meets the upper lip. It is used by doctors to measure the shape of the face.
n. the most anterior point of the nasal floor, located at the junction of the nasal septum and the upper lip. It serves as a key landmark in facial anthropology and orthodontics.
The doctor measured the acanthion to check the patient's facial profile.
During the orthodontic assessment, the specialist marked the acanthion to determine the patient's facial proportions.
The acanthion is a critical anatomical landmark for the cephalometric analysis of the midface, providing a reference point for the relationship between the nasal and maxillary structures.