Quick Facts
Origin: Ophthalmic nerve.
Course: Runs from the lateral cavernous sinus posteriorly to the tentorium cerebelli and posterior falx cerebri.
Branches: None.
Supply: Conveys general sensation from portions of the tentorium cerebelli and the falx cerebri.
Related parts of the anatomy
Origin
The tentorial branch of the ophthalmic nerve is the first branch of the ophthalmic nerve. It branches off within the cavernous sinus.
Course
The tentorial branch of the ophthalmic nerve turns posteriorly after its origin in the lateral cavernous sinus. It continues posteriorly until reaching the anterior edge of the tentorium cerebelli where it runs between the two layers of the tentorium to innervate this structure and portions of the posterior falx cerebri.
Branches
There are no named branches.
Supplied Structures
The tentorial branch of the ophthalmic nerve is a sensory nerve. It conveys general sensation from the tentorium cerebelli and falx cerebri.
Learn more about this topic from other Elsevier products
Ophthalmic Nerve
The ophthalmic nerve is a sensory nerve that branches to form the lacrimal, frontal, and nasociliary nerves that supply the forehead, eyebrows, upper eyelids, and anterior aspect of the nose.
