Posterior ethmoidal nerve
Nervus ethmoidalis posterior · Zadní etmoidální nerv
Nervous system
Looks like
A small, inconstant branch of the nasociliary nerve entering a canal in the inner wall of the eye socket.
What it does
Brings feeling from the back ethmoid and sphenoid sinuses.
Keeping it well
Not examined on its own; the canal is a landmark in sinus and orbital surgery.
Related conditions
- Amyloidosis (AL and ATTR)
- Botulism
- Chickenpox (varicella)
- Chronic neuropathic pain
- Chronic pain syndrome
- Cluster headache
- Cold sores (herpes simplex)
- Fibromyalgia
- Guillain-Barré syndrome
- Lyme disease
- Migraine
- Myasthenia gravis
- Peripheral neuropathy
- Rabies
- Restless legs syndrome
- Shingles (herpes zoster)
- Tetanus
- Trigeminal neuralgia
- Vitamin B1, C and other deficiencies