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 .

2023年10月30日 · 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.

2023年7月24日 · The foramen magnum is the largest foramen of the skull. It is located in the most inferior portion of the cranial fossa as a part of the occipital bone. Its contents include the medulla oblongata, meninges, spinal root of cranial nerve XI, vertebral arteries, anterior and posterior spinal arteries, the tectorial membrane, and alar ligaments.

Foramen magnum, in anatomy, the opening in the base of the skull that connects the spinal cord to the brain. It is the largest foramen (opening) of the skull and is part of the occipital bone (the bone that forms the back and rear base of the skull). On each of its sides is an occipital condyle (a

2023年8月10日 · Foramen magnum: You can’t miss this one! The name in Latin means “great hole” and it has to be relatively large to allow the lower end of the brainstem and the upper end of the spinal cord to pass through. Importantly, the foramen magnum also allows the vertebral arteries to enter the skull.

2025年1月17日 · The foramen magnum is a circular opening located at the base of the skull, where the occipital bone and the first cervical vertebra (C1, also known as the atlas) meet. The opening is surrounded by a bony ring known as the foramen magnum margin.

2024年7月5日 · The foramen magnum is the largest foramen of the skull and is part of the occipital bone 1. It is oval in shape with a large anteroposterior diameter 2. The foramen magnum is found in the most inferior part of the posterior cranial fossa 3. It is traversed by vital structures including the medulla oblongata 1.

The foramen magnum is a largest opening in the base of the skull, located within the occipital bone, inside the posterior cranial fossa. It is surrounded at the back by the squamous portion of the occipital bone, on the sides by the lateral condylar parts of the same bone, and in the front by the basilar part of the occipital bone.

2023年7月24日 · The foramen magnum is the largest foramen of the skull. It is located in the most inferior portion of the cranial fossa as a part of the occipital bone. Its contents include the medulla oblongata, meninges, spinal root of cranial nerve XI, vertebral arteries, anterior and posterior spinal arteries, the tectorial membrane, and alar ligaments.

The foramen magnum (FM) is an anatomical region near the medulla oblongata, at the lower half of the brainstem; importantly, lower cranial nerves (CNs) and vertebral arteries are positioned within this region. 1,2 Several techniques describing …