Keyword Analysis & Research: optic canal label

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What is the optic canal?

The optic canal is a small foramen bounded on each side by a cartilaginous bridge connecting the lesser wing to the sphenoid body.

Where is the optic canal located in the skull?

Optic canal. Base of the skull. (On the left, "Optic foramen" is the 12th label from the top. The optic foramen is the opening to the optic canal. The canal is located in the sphenoid bone; it is bounded medially by the body of the sphenoid and laterally by the lesser wing of the sphenoid.

What is the difference between the optic canal and anterior clinoid?

The optic canal is a passage in the sphenoid bone connecting the orbit to the middle cranial fossa. The optic canal transmits the optic nerve (CN II) and the ophthalmic artery. The anterior clinoid process is a cone-like process of the sphenoid on either side of the anterior part of the hypophysial fossa.

What passes through the bony optic canal?

The optic nerve and ophthalmic artery pass through the optic canal from an intracranial to an intraorbital position. The canal is formed medially by the body of the sphenoid and laterally by the lesser wing. The bony optic canal forms a tight sheath around the optic nerve.

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