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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 protuberance which is located at the posterioinferior (rear lower) part of the human skull.
Mar 4, 2024 · The external occipital protuberance is a prominent bony projection of the occipital bone of the skull. 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.
Oct 14, 2023 · Occipital spurs, also known as occipital knobs, occipital buns, chignon hooks or inion hooks , are anatomical variants that represent an exaggerated external occipital protuberance 1. Epidemiology. It is common in males and hence is often used in forensic investigations for gender determination 1. Clinical presentation.
Occipital spurs, also called as occipital knob, occipital bun, chignon or inion hook, is an exaggerated external occipital protuberance (EOP). It is frequently discussed in anthropological literature as a Neanderthal trait but hardly reported and considered as a normal variant in medical literature. It is a frequent finding among males and ...
Oct 30, 2023 · 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. Furthermore the external surface features three curved lines referred to as nuchal lines:
Jun 26, 2023 · The external occipital protuberance is a slight bump located at the back of your skull, just above your neck. Some people, especially males, may report an enlarged one that can be felt. This is called an occipital spur or occipital knob (or sometimes, a "knowledge bump").
Mar 22, 2023 · Internal occipital crest (occipital sinus) – extends from the internal occipital protuberance inferiorly. It is also the site of attachment of the falx cerebri. Fig 2 – Internal surface of the occipital bone. External Surface. The external surface is marked by four bony ridges, known as the nuchal lines.
