Anatom3DMedial brachial cutaneous nerve
Nervus cutaneus brachii medialis · Vnitřní kožní nerv paže
Nervous system
Looks like
The smallest branch of the brachial plexus, running down the inner side of the upper arm from the armpit.
What it does
Brings feeling from the skin of the inner upper arm.
Keeping it well
Can be injured in armpit surgery (e.g. lymph node removal), leaving a numb inner arm.
Related conditions
- Amyloidosis (AL and ATTR)
- Botulism
- Chickenpox (varicella)
- Chronic neuropathic pain
- Chronic pain syndrome
- Fibromyalgia
- Frozen shoulder (adhesive capsulitis)
- Guillain-Barré syndrome
- Lyme disease
- Myasthenia gravis
- Peripheral neuropathy
- Polymyalgia rheumatica
- Rabies
- Restless legs syndrome
- Shingles (herpes zoster)
- Shoulder dislocation
- Tetanus
- Thoracic outlet syndrome
- Vitamin B1, C and other deficiencies