Radial Nerve (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 radial nerve is the largest branch of the brachial plexus and plays a crucial role in controlling the muscles of the arm and forearm.
- Damage to the radial nerve can result in weakness or paralysis of the extensor muscles in the forearm, leading to a condition known as wrist drop.
- The radial nerve runs down the back of the humerus and divides into two main branches near the lateral epicondyle, supplying the skin and muscles of the posterior forearm and hand.
- Injury to the radial nerve can occur due to a fracture of the humerus or compression of the nerve by a tight cast or splint.
- The radial nerve is responsible for innervating the extensor muscles of the wrist and fingers, allowing for extension and straightening of the hand and fingers.