inion

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[edit] English

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[edit] Etymology

A Greek word meaning occipital bone or back of the head.

[edit] Noun

Singular
inion

Plural
inia or inions

inion (plural inia or inions)

  1. (anatomy) A small protuberance on the external surface of the back of the skull near the neck. Synonymous with the external occipital protuberance.