Radial

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Radial (medicine)

Radial (pronounced: /ˈreɪ.di.əl/) is a term used in medicine to refer to anything related to the radius, one of the two long bones of the forearm. The term is derived from the Latin word 'radius', meaning 'ray'. In the context of anatomy, 'radial' describes the position of the radius bone, which is on the thumb side when the palm of the hand is facing forward.

Radial Artery

The radial artery is a major artery in the human body. It is the main blood vessel that supplies the lateral aspect of the forearm and hand. It is palpable at the wrist, and it is commonly used to check a person's pulse.

Radial Nerve

The radial nerve is one of the three major nerves in the arm. It supplies the posterior portion of the upper limb. It is responsible for the extension of the elbow and wrist, as well as the sensation in part of the hand.

Radial Tunnel Syndrome

Radial tunnel syndrome is a condition that occurs when the radial nerve is compressed at the elbow. It can cause pain and numbness in the forearm and hand.

Radial Head

The Radial head is the end of the radius bone that is closest to the elbow. It is a common site of fractures, especially in falls on an outstretched hand.

Related Terms

  • Ulnar: Pertaining to the ulna, the other bone of the forearm.
  • Carpal: Pertaining to the carpus, the eight small bones that make up the wrist.
  • Brachial: Pertaining to the arm, specifically the upper arm from shoulder to elbow.

External links

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