Meaning & use
Porion
Last updated
An anatomical landmark marking the highest point on the upper margin of the external ear canal, used in craniometry and orthodontics.
See it in a sentence
The orthodontist located the porion on the X-ray to measure facial proportions.
Anthropologists use the porion as a reference point when comparing skull measurements.
A note on using this word
A technical term from physical anthropology and cephalometrics, from the Greek 'poros', meaning 'passage'.
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