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Anatomy & Physiology: Occipital Bone Key Terms

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  • Occipital bone

    The bone forming the back and base of the skull, containing important features for brain and spinal cord connection.

  • Foramen magnum

    The large opening in the occipital bone through which the spinal cord passes to connect with the brain.

  • External occipital protuberance

    A prominent bump on the back of the occipital bone serving as an attachment point for ligaments and muscles.

  • Occipital condyles

    Rounded projections on either side of the foramen magnum that articulate with the first cervical vertebra (atlas).

  • Lambdoid suture

    The suture connecting the occipital bone to the parietal bones of the skull.

  • Hypoglossal canal

    A canal in the occipital bone that allows passage of the hypoglossal nerve (cranial nerve XII).