external occipital protuberance


ex·ter·nal oc·cip·i·tal pro·tu·ber·ance

[TA] a prominence about the center of the outer surface of the squamous portion of the occipital bone, giving attachment to the ligamentum nuchae. Synonym(s): protuberantia occipitalis externa [TA]

external occipital protuberance

A bony bump or elevation in the midline of the lower part of the back of the skull in the middle of the occipital bone. It is more prominent in males than in females. See also: protuberance