Near the middle of the squamous part of occipital bone is the external occipital protuberance, the highest point of which is referred to as the inion. The inion is the most prominent projection of the …

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Dec 19, 2025 · The inion is the surface marking of the internal attachment of the tentorium cerebelli. It is one of the skull landmarks, craniometric points for radiological or anthropological skull measurement.

The inion is a craniometric point found along the midline on the posterior aspect of the cranium. It is located at the tip of the external occipital protuberance of occipital bone.

Feb 16, 2011 · inion noun in· i· on ˈi-nē-ˌän -ən : the external occipital protuberance of the skull

Inion is the most prominent point on the external occipital protuberance. This protuberance is a bony projection that can be easily felt at the back of the head on the occipital bone.

Mar 4, 2024 · Is it typically more palpable in males, with its most prominent point referred to as the inion. Extending laterally from the external occipital protuberance are the superior nuchal lines. Together, …

Aug 17, 2025 · The inion is a naturally occurring bony landmark located at the back of the human skull. It forms the most prominent point of the external occipital protuberance (EOP), which is a projection on …

Nov 30, 2025 · inion (plural inia or inions) (anatomy) A small protuberance on the external surface of the back of the skull near the neck; the external occipital protuberance.

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