Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The lumbar spine includes five vertebrae that help with mobility ...

The function of the carotid arteries is to help transport blood into a person’s brain and other areas in the head, making them essential to brain function. Arteries play a vital role in transporting ...

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The coronary sinus (CS) refers to a collection of veins that join together to form a large blood vessel. This vein is located between the left atrium and the left ventricle of the heart. A collection ...