Composition
The structure of the squama is like that of the other cranial bones: the mastoid portion is spongy, and the petrous portion dense and hard.
Read more about this topic: Temporal Bone
Famous quotes containing the word composition:
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—Thomas Chatterton (1752–1770)
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“At painful times, when composition is impossible and reading is not enough, grammars and dictionaries are excellent for distraction.”
—Elizabeth Barrett Browning (1806–1861)