A bone at the base of the skull that forms part of the central bone structure supporting the brain.
From Latin 'basis' (base) + Greek 'sphenoeides' (wedge-shaped). The term describes this wedge-like bone's position at the base of the cranium.
Your skull has about 22 bones, and this humble basisphenoid sits right at the floor of your cranium, like the keystone holding everything together—damage to it can affect your pituitary gland and hormones!
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