What is foramen magnum

Dear student, Foramen magnum refers to the opening in the occipital bone within the cranium. Through this opening the spinal cord enters as well as exit the skull. In humans, the foramen magnum is directed downwards which means the position of the foramen magnum is in the skull is in downwards direction as the spinal cord in humans is straight and enters the skull from downward side. Regards

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hi sumaiya,
foramen magnum is
he hole in the base of the skull through which the spinal cord passes.

regards. hope its clear
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