Nervus Radialis (Noun)
Meaning
Largest branch of the brachial plexus; extends down the humerus to the lateral epicondyle where it divides into one branch that goes to the skin on the back of the hand and another that goes to the underlying extensor muscles.
Classification
Nouns denoting body parts.
Examples
- The nervus radialis, a branch of the brachial plexus, is responsible for controlling the extensor muscles of the forearm and wrist.
- Trauma to the nervus radialis can cause weakness or paralysis of the extensor muscles, leading to a condition known as wrist drop.
- The nervus radialis originates in the posterior cord of the brachial plexus and extends down the radial groove of the humerus.
- As the nervus radialis approaches the lateral epicondyle, it divides into two main branches: the superficial branch and the deep branch.
- Damage to the nervus radialis during surgical procedures in the arm can result in sensory loss on the back of the hand and weakness of the extensor muscles.