Final answer:
The medical term for smaller, thinner branches of arteries that deliver blood to capillaries is arterioles.
Step-by-step explanation:
The medical term that means smaller, thinner branches of arteries that deliver blood to the capillaries is arterioles. Arterioles are intermediate blood vessels that connect arteries to capillaries. They regulate blood flow and blood pressure by constricting or dilating.
Learn more about Arterioles in the circulatory system