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1
The frontal nerve is the largest branch of the ophthalmic division, and runs along the roof of the
orbit, bifurcating about midway to the orbital margin into two nerves. name them and what they supply-
orbit, bifurcating about midway to the orbital margin into two nerves. name them and what they supply-
supraorbital and supratrochlear
nerves.
The supraorbital nerve:
- sensation from the mucosa of the frontal sinus
- the skin and conjunctiva of the central part of the upper eyelid
- the skin and pericranium of the anterolateral forehead and scalp as far as the vertex
The supratrochlear nerve :
-sensation from the skin and conjunctiva of the medial part of the upper eyelid
- skin and pericranium of the anteromedial forehead.
nerves.
The supraorbital nerve:
- sensation from the mucosa of the frontal sinus
- the skin and conjunctiva of the central part of the upper eyelid
- the skin and pericranium of the anterolateral forehead and scalp as far as the vertex
The supratrochlear nerve :
-sensation from the skin and conjunctiva of the medial part of the upper eyelid
- skin and pericranium of the anteromedial forehead.
