What does "inion" mean?

A small protuberance on the external surface of the back of the skull near the neck; the external occipital protuberance.

What is a synonym for "inion"?

Common synonyms include: inion landmark, occipital point, posterior skull point.

noun

noun ·Rare ·Advanced level

Noun

1
A small protuberance on the external surface of the back of the skull near the neck; the external occipital protuberance.
2
the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance) wordnet

From Ancient Greek ἰνίον (iníon, “occipital bone; back of the head”). Compare -ion (“anthropometric landmark”).