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Within the vertebral column (spine) of vertebrates, including the human spine, each bone has an opening at both its top and bottom to allow nerves, arteries, veins, etc. to pass through.
Other
Apical foramen, the hole at the tip of the root of a tooth
Foramen ovale (heart), a hole between the venous and arterial sides of the fetal heart
Transverse foramen, one of a pair of openings in each cervical vertebra, in which the vertebral artery travels
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