1. A small artery, especially one that connects larger arteries to capillaries in the circulatory system
The arterioles regulate blood flow by constricting or dilating in response to the body's needs.
As arteríolas regulam o fluxo sanguíneo ao se constringir ou dilatar em resposta às necessidades do corpo.
2. In anatomical terms, the smallest branches of an artery before they connect to capillaries
Blood pressure is significantly controlled at the level of the arterioles.
A pressão arterial é significativamente controlada ao nível das arteríolas.