Which bone among the following forms part of the orbital cavity?

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Multiple Choice

Which bone among the following forms part of the orbital cavity?

The orbital cavity is formed by several skull bones, and the frontal bone provides the roof of this cavity. Its orbital part spans across the superior boundary under the brow and helps define the upper limit of the orbit. The parietal bone sits higher and doesn’t contribute to the orbit’s margins; the humerus is not a skull bone; the zygomatic bone does participate in the orbit (lateral wall and part of the floor) but the frontal bone specifically forms the roof, making it the most direct fit for the question.

The orbital cavity is formed by several skull bones, and the frontal bone provides the roof of this cavity. Its orbital part spans across the superior boundary under the brow and helps define the upper limit of the orbit. The parietal bone sits higher and doesn’t contribute to the orbit’s margins; the humerus is not a skull bone; the zygomatic bone does participate in the orbit (lateral wall and part of the floor) but the frontal bone specifically forms the roof, making it the most direct fit for the question.

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