Vein
Definition 1 of 3
Pro Tip 1/3
Directional Flow
Veins carry blood towards the heart, unlike arteries which carry blood away. During the surgery, the doctor monitored the blood flow in the veins.
Pro Tip 2/3
Medical Procedures
Veins are often used for medical procedures like drawing blood or intravenous therapy. The nurse found a vein in my arm for the IV drip.
Pro Tip 3/3
Visibility
Some veins can be seen under the skin, especially on the hands and arms. You can see the blue veins clearly on his pale wrists.