Ulnar artery
Ulnar Artery
The Ulnar Artery (pronounced: UHL-nahr AHR-ter-ee) is one of the two main arteries that supply blood to the forearm and hand. The other is the Radial Artery.
Etymology
The term "ulnar" is derived from the Latin word "ulna," which means "elbow." The ulnar artery is so named because it runs along the side of the forearm that is closest to the body when in the standard anatomical position, which is the same side as the ulna bone.
Anatomy
The ulnar artery originates from the Brachial Artery in the upper arm. It travels down the forearm, on the side of the little finger, and ends in the palm of the hand where it forms the Superficial Palmar Arch.
Along its course, the ulnar artery gives off several branches, including the Common Interosseous Artery, Anterior Ulnar Recurrent Artery, Posterior Ulnar Recurrent Artery, and Palmar Carpal Branches.
Clinical Significance
The ulnar artery is important in medical procedures such as the Allen's Test, which is used to assess the arterial blood flow to the hand. It can also be involved in conditions such as Ulnar Artery Thrombosis, a condition where a blood clot forms in the ulnar artery, blocking blood flow.
Related Terms
- Brachial Artery
- Radial Artery
- Superficial Palmar Arch
- Common Interosseous Artery
- Anterior Ulnar Recurrent Artery
- Posterior Ulnar Recurrent Artery
- Palmar Carpal Branches
- Allen's Test
- Ulnar Artery Thrombosis
External links
- Medical encyclopedia article on Ulnar artery
- Wikipedia's article - Ulnar artery
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