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Supraorbital Notch

Supraorbital notch is a visible notch on the frontal bone for distribution of the supraorbital nerve along with vessels towards the forehead, at the junction of the medial one-third and lateral two-thirds of the supraorbital margin. It is bridged by fibrous tissue, which occasionally undergoes ossification, creating a bony opening called supraorbital foramen.

Supraorbital Notch

Supraorbital Notch

Relations

  •  Supra-orbital notch is exhibited on supra-orbital margin.
  •  The frontal notch is located medial towards this notch.
  •  The supra-orbital margin spreads outwards laterally as the zygomatic process.
  • Superior and inferior temporal lines are created by the division of a line that passes backwards from this process.
  •  Before dividing into superficial and deep branches that give sensory innervation to the ipsilateral forehead, the supraorbital nerve travels via this notch, which is a branch of the frontal nerve originating from the ophthalmic division of the trigeminal nerve (cranial nerve V).
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By Dr. Joseph H Volker | 2018-08-30T10:58:20+00:00 August 8th, 2018|Anatomy, Areas, Head and Neck|0 Comments