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8 Cards in this Set
- Front
- Back
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Which type of ossification made the flat bone of the skull?
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Intramembranous ossification
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What does the frontal bone conribute to?
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Anterior roof of the cranium, the forehead, a portion of the nasal cavity roof, the superior arch of the bony orbits (which contain the eyeballs.
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What is the prominent bony ridge over the orbit?
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The supraorbital margin
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What is at the midpoint of each of the supraorbital margins? What does it do?
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Supraorbital foramen/notch. Allows for the passage of small nerves and bv's
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What is within the frontal bone that drain into the nasal cavity?
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Frontal sinuses
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What do the frontal sinuses do to help the skull?
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They lessen the weight, moisten inhaled air, and give resonance to the voice.
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At what age do the frontal sinuses usually start to appear?
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Age 6, and become amore fully developed after age 10l
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What aids in the identification of unknown skeletons if a previous skull x-ray is unavailable?
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Frontal sinuses.
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