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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

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introductionstatpearls· Introduction· item NBK538507

The base of the skull has multiple important foramina that allow the passing of vital tissues, primarily blood vessels and nerves. The 2 jugular foramina exist at the base of the skull, lateral to the foramen magnum. Importantly, the internal jugular veins, which drain blood from the brain and intracranial tissues, make their way out of the cranium and terminate at the subclavian veins and ultimately join the brachiocephalic vein.[1] Additionally, cranial nerves IX, X, and XI pass through this foramen, allowing them to send stimuli to multiple extracranial targets.