noun
- small arteries that connect larger arteries to capillaries
Usage: medical; anatomy
Examples
- The arterioles regulate blood flow to different tissues.
- Damage to arterioles can affect blood pressure regulation.
- The microscope revealed the tiny arterioles branching into capillaries.
- High blood pressure can cause arterioles to narrow.
- Arterioles have smooth muscle walls that can contract or relax.
- The doctor explained how arterioles control circulation in organs.