What are the two main branches of the Frontal Nerve (V1)?

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Study for the NBEO Ocular Anatomy Posterior Segment and Cranial Nerves Test. Prepare using flashcards and multiple choice questions. Get ready for your exam with hints and explanations for each question!

Multiple Choice

What are the two main branches of the Frontal Nerve (V1)?

Explanation:
The frontal nerve, a major sensory branch of the ophthalmic division (V1), uses two terminal branches to supply the forehead and scalp: the supratrochlear and the supraorbital nerves. The supratrochlear runs medially toward the eyebrow, while the supraorbital travels laterally through the supraorbital notch/foramen to innervate the forehead up to the vertex. The other nerves listed come from different branches of V1 (such as lacrimal and zygomatic) or from the nasociliary nerve and its branches (infratrochlear and anterior ethmoidal). So the two main branches are supratrochlear and supraorbital.

The frontal nerve, a major sensory branch of the ophthalmic division (V1), uses two terminal branches to supply the forehead and scalp: the supratrochlear and the supraorbital nerves. The supratrochlear runs medially toward the eyebrow, while the supraorbital travels laterally through the supraorbital notch/foramen to innervate the forehead up to the vertex. The other nerves listed come from different branches of V1 (such as lacrimal and zygomatic) or from the nasociliary nerve and its branches (infratrochlear and anterior ethmoidal). So the two main branches are supratrochlear and supraorbital.

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