The exoccipitals extend around the sides of the foramen magnum and meet dorsally.
The foramen magnum, occipital condyles, and exoccipitals show no unusual features.
The occipital segment consists of four cartilage bones, three of which together surround the foramen magnum.
The plane of the foramen magnum (for the passage of the spinal cord) is oblique to the plane of the base of the skull.
Just external to the foramen magnum is a small foramen for the exit of the hypoglossal nerve (figs. 44 and 45, XII).
Postpalatal length is the distance from the posterior margin of the hard palate to the anterior margin of the foramen magnum.
The foramen magnum is very small, being less in width than the condyle on either side of it.
Sudden death may occur from crowding of the cerebellum into the foramen magnum.
The pointed end was pushed through the foramen magnum, and the pole was then planted near the gate of the town.
The spinal cord extends from the foramen magnum to the level of the disc between the first and second lumbar vertebræ.
foramen magnum foramen mag·num (māg'nəm)
See great foramen.