The foramen magnum (Latin for 'great hole') is a large, oval-shaped opening in the occipital bone of the skull. It is one of the several oval or circular openings (foramina) in the base of the skull .

The foramen magnum lies in an anteromedian position of posterior part of inferior surface of skull and leads into the posterior cranial fossa. It is oval and wider behind, with its greatest

foramen magnum ( N9 , TG7-07 ) large midline passage through occipital bone; marks the transition of medulla oblongata to spinal cord; also transmits the vertebral arteries, anterior and posterior spinal arteries, and the spinal accessory (XI) nerves

foramen magnum ( N9 , TG7-07 ) large midline passage through occipital bone; marks the transition of medulla oblongata to spinal cord; also transmits the vertebral arteries, anterior and posterior spinal arteries, and the spinal accessory (XI) nerves

Foramen magnum (FM) is a crucial aperture situated in the occipital bone and connects the brain to the spinal cord. Its size and dimensions are crucial in understanding a range of disorders, with implications for clinical, surgical, radiological, and forensic fields.

Foramen magnum is midline opening in the occipital bone in the floor of posterior cranial fossa. This foramen is the largest opening in the occipital bone through which the cranial cavity communicates with the vertebral canal.

A foramen magnum index (sagittal length divided by transverse length) of approximately 1.2 has been arbitrarily superimposed to emphasize an interpopulation and intersex trend in the relationship between the transverse and sagittal dimensions

Jul 24, 2023 · The foramen magnum functions as a passage of the central nervous system through the skull connecting the brain with the spinal cord. On either side of the foramen magnum is an occipital condyle. These condyles form joints with the first cervical vertebra.

Jan 17, 2025 · The foramen magnum, also known as the "large hole," is a critical structure in the human anatomy that is located at the base of the skull.[3] It serves as a passage for various important structures, including the spinal cord and several blood vessels and nerves.

Oct 30, 2023 · The foramen magnum (Latin for “big hole”) is the largest foramen of the skull. It is a large central, oval-shaped opening that lies in the deepest region of the posterior cranial fossa and is the most prominent feature in the floor of this aspect of the cranial base .