ulnar artery
Học thuậtThân thiện
Definition
Noun 1. A major blood vessel in the forearm: The ulnar artery is a large artery that branches from the brachial artery. Its primary function is to supply oxygenated blood to the muscles and tissues of the medial (inner) side of the forearm, the wrist, and the hand.
Usage
The term "ulnar artery" is used in medical, anatomical, and clinical contexts to refer to this specific blood vessel. It is typically used with definite articles or possessive determiners when discussing its location, function, or condition. * The ulnar artery is one of the two main arteries supplying the forearm and hand. * A deep cut on the inner wrist risks damaging the ulnar artery. * The surgeon carefully isolated the patient's ulnar artery during the procedure.
Advanced Usage
- Clinical Palpation: The pulse of the ulnar artery can sometimes be felt, though it is deeper and less commonly checked than the radial pulse. A phrase like "palpate the ulnar artery" is used in medical examination.
- Vascular Assessment: In procedures like an Allen's test, the patency (openness) of both the ulnar and radial arteries is assessed before arterial blood draws or catheter insertion. For example: "The Allen's test confirmed adequate collateral flow from the ulnar artery."
Variants and Related Words
- Arteria Ulnaris: The Latin anatomical term for the ulnar artery.
- Ulnar (Adjective): Pertaining to the ulna (the bone on the inner side of the forearm) or the corresponding side of the forearm, wrist, or hand. Example: .
- Brachial Artery: The main artery of the upper arm from which the ulnar artery branches.
- Radial Artery: The other major artery of the forearm, running along the thumb side, which branches from the brachial artery alongside the ulnar artery.
Synonyms
- There are no direct common synonyms for "ulnar artery" as it is a specific anatomical term. In general anatomical language, it may be referred to descriptively as a major forearm artery or the medial forearm artery.
Related Phrases
- Ulnar Artery Thrombosis: The formation of a blood clot within the ulnar artery.
- Ulnar Artery Aneurysm: A localized, abnormal enlargement of the ulnar artery.
- Ulnar Artery Compression: Pressure on the artery, which can impair blood flow to the hand.
Noun
- large artery that branches from the brachial artery to supply the muscles of the forearm and wrist and hand