ALL meanings of foramen magnum
fo·ra·men mag·num
F f - noun foramen magnum the large opening in the base of the skull forming the passage from the cranial cavity to the spinal canal. 1
- noun foramen magnum the large opening at the base of the skull through which the spinal cord passes 0
- noun foramen magnum the opening at the base of the skull where the spinal cord merges with the medulla oblongata 0