An important role for patent foramen ovale in the pathogenesis of ischemic stroke was first suggested by a case–control study that showed a markedly higher frequency of patent foramen ovale ...

Foramen Magnum: The large opening in the occipital bone of the skull through which the spinal cord passes. Morphometry: The quantitative analysis of form, a technique that involves measuring the ...

Learn more about Chiari malformation type 1, a rare brain condition that may be present in certain genes thanks to Neanderthals.