Angiology is the branch of medicine that focuses on the study of blood vessels, including arteries, veins, and capillaries. It examines the structure, function, and diseases related to these vessels, which are crucial for the circulation of blood throughout the body. Understanding angiology helps in diagnosing and treating various vascular conditions, such as atherosclerosis and varicose veins. This field is closely related to cardiology, which deals with the heart, as both systems work together to maintain proper blood flow. Angiology also plays a vital role in surgery, particularly in procedures involving vascular grafts and interventions to restore blood flow.