If your posterior fossa is too small, it may cause your brain to push against and down into your foramen magnum. But researchers ... widen the membranes (called dura) that surround your brain ...

Anthropologists confirm a direct link between upright two-legged (bipedal) walking and the position of the foramen magnum, a hole in the base of the skull that transmits the spinal cord.

On the bottom of your skull, there is a distinctive hole. The technical name for the opening is the foramen magnum – the “great hole” that the spinal cord and other critical soft tissues run ...

Chiari Malformation Type I is a structural disorder of the hindbrain characterised by the downward displacement of the cerebellar tonsils through the foramen ... of the dura mater, commonly ...