Examlex
The columns of a relation can be interchanged without changing the meaning or use of the relation.
Subclavian Vein
A large vein located under the collarbone that helps return blood from the arm to the heart.
Intravenous Catheter
A thin tube inserted into a vein, primarily for the administration of medications, fluids, or to obtain blood samples.
Central Venous System
The part of the circulatory system comprising the heart and the major veins that return blood to the heart, often referenced in the context of central venous catheter placement.
Large Arm Vein
A major vein in the arm, typically used for medical procedures such as the insertion of intravenous lines for medication delivery or blood withdrawal.
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