Frontal nerve
Frontal nerve | |
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Dissection showing origins of right ocular muscles, and nerves entering by the superior orbital fissure.
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Nerves of the orbit. Seen from above.
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Details | |
Latin | nervus frontalis |
From | Ophthalmic nerve |
To | supratrochlear nerve and the supraorbital nerve |
Identifiers | |
TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
TH | {{#property:P1694}} |
TE | {{#property:P1693}} |
FMA | {{#property:P1402}} |
Anatomical terms of neuroanatomy
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The frontal nerve is the largest branch of the ophthalmic nerve(V1), and may be regarded, both from its size and direction, as the continuation of the nerve.
It enters the orbit through the superior orbital fissure, not running within the tendinous ring, and runs forward between the Levator palpebræ superioris and the periosteum.
Midway between the apex and base of the orbit it divides into two branches, supratrochlear nerve and supraorbital nerve.
Functions
It provides the sensory innervations for the skin of the forehead, mucosa of frontal sinus, and the skin of the upper eyelid via General Somatic Afferent (GSA) fibers.
Additional images
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Frontal nerve.jpg
Frontal nerve
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Slide4abab.JPG
Extrinsic eye muscle. Nerves of orbita. Deep dissection.
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Slide5abab.JPG
Extrinsic eye muscle. Nerves of orbita. Deep dissection.
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Slide6abab.JPG
Extrinsic eye muscle. Nerves of orbita. Deep dissection.
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Slide7abab.JPG
Extrinsic eye muscle. Nerves of orbita. Deep dissection.
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Slide8ababa.JPG
Extrinsic eye muscle. Nerves of orbita. Deep dissection.
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Slide4ior.JPG
Frontal nerve.Deep dissection.Superior view
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
- Anatomy photo:29:02-0103 at the SUNY Downstate Medical Center
- lesson3 at The Anatomy Lesson by Wesley Norman (Georgetown University) (orbit2)
- cranialnerves at The Anatomy Lesson by Wesley Norman (Georgetown University) (V)
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