nervus radialis

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Thân thiện
Definition

Noun: - Radial nerve: The largest branch of the brachial plexus. It runs down the humerus (the upper arm bone) to the lateral epicondyle (the outer bony prominence of the elbow), where it splits. One branch provides sensation to the skin on the back of the hand, and the other branch controls the underlying extensor muscles responsible for straightening the wrist and fingers.

Usage
  • The term is used in medical, anatomical, and clinical contexts to refer to this specific peripheral nerve.
  • It is often discussed in relation to injuries, surgical procedures, or neurological examinations.
Examples
  • Noun:
    • Damage to the nervus radialis can result in wrist drop, a condition where the patient cannot extend the wrist.
    • The surgeon carefully avoided the nervus radialis during the procedure on the humerus.
Advanced Usage
  • "Radial nerve palsy": A condition resulting from injury to the nervus radialis, characterized by weakness or paralysis of the muscles it innervates.
    • The patient presented with radial nerve palsy following a fracture.
Variants and Related Words
  • Radial nerve: The common English term for .
  • Brachial plexus: The network of nerves in the shoulder from which the radial nerve originates.
  • Peripheral neuropathy: A general term for damage to peripheral nerves, which can include the radial nerve.
Synonyms
  • Radial nerve (primary synonym)
  • Musculospiral nerve (an older, less common term)
Related Phrases
  • "Saturday night palsy": A colloquial term for radial nerve compression, often from prolonged pressure on the arm (e.g., from falling asleep with one's arm draped over a chair).
    • His wrist drop was diagnosed as a case of Saturday night palsy.
  • "Humerus fracture complication": A common context for radial nerve injury.
    • The physician checked for nervus radialis function after the humerus fracture.
Noun
  1. 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

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