subclavian artery
Học thuậtThân thiện
Definition
Noun: - A major artery supplying blood: The subclavian artery is either of two major arteries (left and right) located just beneath the clavicle (collarbone). Its primary function is to supply oxygenated blood to the neck, shoulders, and upper limbs (arms).
Usage
The term "subclavian artery" is used in medical, anatomical, and biological contexts to refer specifically to this paired blood vessel. - It is typically used with determiners like "the," "a," "each," or "either" and is often modified by "left" or "right." - Example: The surgeon carefully dissected around the subclavian artery. - Example: A blockage in the subclavian artery can reduce blood flow to the arm.
Examples
- Anatomical Description:
- The subclavian artery arises from the aortic arch on the left and from the brachiocephalic trunk on the right.
- Clinical Context:
- The patient was diagnosed with subclavian artery stenosis, which caused arm pain during exercise.
- An aneurysm of the subclavian artery is a serious but rare condition.
Advanced Usage
- "Subclavian artery steal syndrome": A specific medical condition where a blockage in the subclavian artery proximal to the vertebral artery causes reversed blood flow in the vertebral artery to supply the arm, potentially leading to neurological symptoms.
- Example: His dizziness was attributed to subclavian artery steal syndrome.
Variants and Related Words
- Subclavian (Adjective): Pertaining to the region under the clavicle. Often used to describe structures like the subclavian vein or subclavian nerve.
- Example: The subclavian vein runs parallel to the artery.
Synonyms
- Arteria subclavia: The formal Latin anatomical term, identical in meaning.
- There are no common layperson synonyms, as this is a precise anatomical term.
Related Phrases/Compounds
- Subclavian vein: The major vein accompanying the subclavian artery.
- Subclavian trunk: A lymphatic structure in the same region.
- Right/Left subclavian artery: Specifies which of the paired arteries is being discussed.
Noun
- either of two arteries that supply blood to the neck and arms