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The supratrochlear nerve is the smaller of the two terminal branches of the frontal nerve (the other being the supraorbital nerve). [1] It arises midway between the base and apex of the orbit [2] where the frontal nerve splits into said terminal branches.
The optic nerve; The oculomotor nerve; The trochlear nerve; ... Supratrochlear nerve; Sural nerve; Sympathetic trunk; Temporal branches of the facial nerve; Third ...
Auriculotemporal nerve from the mandibular division of the trigeminal nerve; The innervation of scalp can be remembered using the mnemonic 'Z-GLASS' for Zygomaticotemporal nerve, Greater occipital nerve, Lesser occipital nerve, Auriculotemporal nerve, Supratrochlear nerve, and Supraorbital nerve.
The scalp is innervated by motor nerves and sensory nerves. The trigeminal nerve (CNV) is one of the important cranial sensory nerves which innervates the scalp. From anterior to posterior front to back the nerves are: Supratrochlear nerve and Supraorbital nerve; Zygomaticotemporal nerve; Auriculotemporal nerve; Lesser occipital nerve; Greater ...
In then travels superolateral to the annulus of Zinn between the lacrimal nerve and inferior ophthalmic vein. After entering the orbit it travels anteriorly between the roof periosteum and the levator palpebrae superioris. Midway between the apex and base of the orbit it divides into two branches, the supratrochlear nerve and supraorbital nerve.
The abducens nerve is most likely to show signs of damage first, with the most common complaints retro-orbital pain and the involvement of cranial nerves III, IV, V1, and VI without other neurological signs or symptoms.
The supratrochlear artery (or frontal artery) is one of the terminal branches of the ophthalmic artery. It arises within the orbit. [1] [2] It exits the orbit alongside the supratrochlear nerve. It contributes arterial supply to the skin, muscles and pericranium of the forehead. [3]
The supraorbital nerve is one of two terminal branches - the other being the supratrochlear nerve - of the frontal nerve (itself a branch of the ophthalmic nerve (CN V 1)). [1] It exits the orbit via the supraorbital foramen/notch before splitting into a medial branch and a lateral branch. It innervates the skin of the forehead, upper eyelid ...