The word "nasion" is a term used in anatomy to refer to the midpoint of the frontonasal suture, which connects the frontal bone to the nasal bones. Its spelling is determined by its pronunciation, which is /ˈneɪziən/. The "a" is pronounced as "ay," the "s" as "z," and the "o" as "uh." The "i" sounds like "ee," and the final "n" is pronounced as "n." This phonetic transcription helps to accurately represent the pronunciation of "nasion."
The word "nasion" is derived from the Latin word "nasus," which means "nose." In anatomy, it refers to a specific anatomical landmark located on the skull. The nasion is the midpoint or junction where the frontal bone and two nasal bones meet, forming the bridge of the nose. It is located just below the glabella and the frontal suture, which is the line of union between the two frontal bones.
The nasion is a crucial reference point for various medical and anatomical measurements, such as those for craniofacial research and analysis. It is commonly used in craniofacial anthropology, orthodontics, plastic surgery, and forensic science.
It plays an essential role in determining the position and structure of the nose as well as facial proportions. Measurements taken from the nasion can provide valuable insights into craniofacial growth, development, and abnormalities. It is particularly significant in orthodontics for assessing the position and alignment of teeth and jaws.
In addition to its medical and scientific relevance, nasion also has cultural and aesthetic implications. The shape, size, and proportions of the nasion can contribute to the overall harmony and balance of the face. Therefore, it is sometimes considered as an important reference point in artistic and creative endeavors, such as portraiture and cosmetic procedures.
A point on the skull corresponding to the middle of the nasofrontal suture.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "nasion" is derived from the Latin term "nasus", meaning "nose". It entered the English language through the field of anthropology in the 19th century, where it refers to the lowest point on the nasal bridge, located between the eyes.