Nerve of the orbit around the eye
The posterior ethmoidal nerve is a nerve of the head. It is a branch of the nasociliary nerve (itself a branch of the ophthalmic nerve (CN V1 ) ). It provides sensory innervation to the sphenoid sinus and ethmoid sinus , and part of the dura mater in the anterior cranial fossa .
Structure
Origin
The posterior ethmoidal nerve is a branch of the nasociliary nerve .[ 1]
Course
It passes through the posterior ethmoidal foramen alongside the posterior ethmoidal artery .[ 2]
Branches
Within the anterior cranial fossa , it issues a branch to which innervates part of the dura mater .[ 3] [ 4]
It gives branches to the sphenoid sinus and the ethmoid sinus .[ 1]
Variation
The posterior ethmoidal nerve is absent in a significant proportion of people.[ 5] This may be around 30%.
Function
The posterior ethmoidal nerve supplies sensation to the sphenoid sinus and the ethmoid sinus .[ 1] It also supplies sensation to part of the dura mater in the anterior cranial fossa .[ 3] [ 4]
Other animals
The posterior ethmoidal nerve is present in other animals, including horses.[ 6] [ 7] Headshaking can sometimes be treated with analgesia or neurectomy of the posterior ethmoidal nerve.[ 7]
References
^ a b c Barral, Jean-Pierre; Croibier, Alain (2009). "15 - Ophthalmic nerve" . Manual Therapy for the Cranial Nerves . Churchill Livingstone . pp. 115– 128. doi :10.1016/B978-0-7020-3100-7.50018-5 . ISBN 978-0-7020-3100-7 .
^ Semmer, A. E.; McLoon, L. K.; Lee, M. S. (2010). "Orbital Vascular Anatomy" . Encyclopedia of the Eye . Academic Press . pp. 241– 251. doi :10.1016/B978-0-12-374203-2.00284-0 . ISBN 978-0-12-374203-2 .
^ a b Shimizu, Toshihiko; Suzuki, Norihiro (2010). "3 - Biological sciences related to headache" . Handbook of Clinical Neurology . Vol. 97. Elsevier . pp. 35– 45. doi :10.1016/S0072-9752(10)97003-6 . ISBN 978-0-444-52139-2 . ISSN 0072-9752 . PMID 20816409 .
^ a b Seker, Askin; Martins, Carolina; Rhoton Jr., Albert L. (2010). "2 - Meningeal Anatomy" . Meningiomas . Saunders . pp. 11– 51. doi :10.1016/B978-1-4160-5654-6.00002-7 . ISBN 978-1-4160-5654-6 .
^ Rea, Paul (2016). "2 - Head" . Essential Clinically Applied Anatomy of the Peripheral Nervous System in the Head and Neck . Academic Press . pp. 21– 130. doi :10.1016/B978-0-12-803633-4.00002-8 . ISBN 978-0-12-803633-4 .
^ "11 - Disorders of the nervous system" . Knottenbelt and Pascoe's Color Atlas of Diseases and Disorders of the Horse (2nd ed.). Saunders . 2014. pp. 400– 442. doi :10.1016/B978-0-7234-3660-7.00011-0 . ISBN 978-0-7234-3660-7 .
^ a b Carr, Elizabeth A.; Maher, Omar (2014). Equine Sports Medicine and Surgery (2nd ed.). Saunders . pp. 503– 526. doi :10.1016/B978-0-7020-4771-8.00024-7 . ISBN 978-0-7020-4771-8 .
External links