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  2. External occipital protuberance - Wikipedia

    en.wikipedia.org/.../External_occipital_protuberance

    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. The nuchal ligament and trapezius muscle attach to it.

  3. Anatomical terms of bone - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_bone

    A sesamoid bone is a small, round bone that, as the name suggests, is shaped like a sesame seed. These bones form in tendons (the sheaths of tissue that connect bones to muscles) where a great deal of pressure is generated in a joint. The sesamoid bones protect tendons by helping them overcome compressive forces.

  4. Protuberance - Wikipedia

    en.wikipedia.org/wiki/Protuberance

    Protuberance may refer to: Mental protuberance; Occipital protuberances, of which may refer to ... Anatomical terms of bone § Protrusions, including tubercle ...

  5. Internal occipital protuberance - Wikipedia

    en.wikipedia.org/.../Internal_occipital_protuberance

    Along the internal surface of the occipital bone, at the point of intersection of the four divisions of the cruciform eminence, is the internal occipital protuberance. Running transversely on either side is a groove for the transverse sinus .

  6. Nuchal lines - Wikipedia

    en.wikipedia.org/wiki/Nuchal_lines

    The nuchal lines are four curved lines on the external surface of the occipital bone: The upper, often faintly marked, is named the highest nuchal line, but is sometimes referred to as the Mempin line or linea suprema, and it attaches to the epicranial aponeurosis. Below the highest nuchal line is the superior nuchal line.

  7. Occipital bun - Wikipedia

    en.wikipedia.org/wiki/Occipital_bun

    The occipital bun is a protuberance of the occipital bone. Its size and shape has been compared to that of a dinner roll. It is a quintessential trait of Neanderthals, though it is a trend in archaic Homo species. The true purpose of the occipital bun has not yet been defined. [3] However, some studies have found possible evolutionary purposes.

  8. Eminence (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Eminence_(anatomy)

    In anatomy, eminence implies a protuberance, and may refer to a variety of structures: Collateral eminence, alongside the hippocampus in the brain; Cruciform eminence, in the occipital bone of the skull; Frontal eminence, on the frontal bone of the skull; Hypothenar eminence, a group of three palmar muscles that control the pinky finger

  9. Mental protuberance - Wikipedia

    en.wikipedia.org/wiki/Mental_protuberance

    The symphysis of the external surface of the mandible divides below and encloses a triangular eminence, the mental protuberance, the base of which is depressed in the center but raised on either side to form the mental tubercle. The size and shape of the bones making up this structure are responsible for the size and shape of a person's chin.