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cranium

The part of the skull that encloses and protects the brain.

KRAY-nee-um noun

Word parts

What it means

The cranium is made of eight bones joined by sutures; the skullskulThe bony frame of the head, made up of the cranium around the brain and the bones of the face.Full entry includes these and the bones of the face. Cranial nerves leave the brain through openings in it. A craniotomy is surgery that opens it to reach the brain.

At a glance

Spanishcráneo

Related terms

intracranial pressure

The pressure inside the skull, made by the brain, the blood and the fluid around the brain.

skull

The bony frame of the head, made up of the cranium around the brain and the bones of the face.

vagus nerve

The 10th cranial nerve, which runs from the brain stem to the chest and belly and slows the heart and helps digestion.

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