External Occipital Protuberance at Anatomy

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External Occipital Protuberance. The inion is the most prominent projection of the protuberance which is located at the posterioinferior (rear lower) part of the human skull. External occipital protuberance is a midline bony prominence in the occipital bone that ligamentum nuchae and trapezius muscle attach to its tip.

External occipital protuberance a site for attachment of
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It acts as a site of attachment for the trapezius muscle. Exaggerated external occipital protuberance also is. A palpable prominence known as the external occipital protuberance lies on the midline of the external surface which serves as an attachment for the trapezius muscle.

External occipital protuberance a site for attachment of

Exaggerated external occipital protuberance also is known as an occipital spur. Furthermore the external surface features three curved lines referred to as nuchal lines: External occipital protuberance is a midline bony prominence in the occipital bone that ligamentum nuchae and trapezius muscle attach to its tip. The external occipital protuberance (eop) size was defined as the distance from the most superior point of the eop (origin) to a point on the eop that is most distal from the skull.