Subclavian triangle
Subclavian Triangle
The Subclavian Triangle (pronounced: sub-CLAY-vee-an TRY-angle), also known as the Inferior Carotid Triangle or Omoclavicular Triangle, is a specific anatomical region in the human neck.
Etymology
The term "Subclavian Triangle" is derived from the Latin words "sub" meaning under, and "clavis" meaning key, referring to its location beneath the clavicle (collarbone). The term "triangle" is used due to the triangular shape formed by the boundaries of this region.
Anatomy
The Subclavian Triangle is bordered by the Sternocleidomastoid Muscle anteriorly, the Clavicle inferiorly, and the Inferior Belly of the Omohyoid Muscle posteriorly. It contains several important structures including the Subclavian Artery, Subclavian Vein, and parts of the Brachial Plexus.
Clinical Significance
Due to the presence of major blood vessels, the Subclavian Triangle is a significant area in medical procedures such as Central Venous Catheterization. It is also a key area in the examination of the lymph nodes for signs of infection or malignancy.
Related Terms
- Sternocleidomastoid Muscle
- Clavicle
- Inferior Belly of the Omohyoid Muscle
- Subclavian Artery
- Subclavian Vein
- Brachial Plexus
- Central Venous Catheterization
External links
- Medical encyclopedia article on Subclavian triangle
- Wikipedia's article - Subclavian triangle
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