What structure serves as the passageway for the spinal cord to exit the skull and pass into the spinal canal of the vertebral column?

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The foramen magnum is the large opening at the base of the skull through which the spinal cord passes as it exits the skull and enters the spinal canal of the vertebral column. The EAM (external auditory meatus) is the opening of the ear canal, the sella turcica is a depression in the sphenoid bone that holds the pituitary gland, and the crista galli is a bony ridge in the ethmoid bone that helps to separate the two sides of the brain.

What Structure Serves as the Passageway for the Spinal Cord