arterial
adj. C1 Advanced US //ɑɹˈtɪɹiəɫ// UK //ɑːtˈiəɹɪəl// ar·te·ri·al
adj. relating to the tubes that carry blood away from your heart, or describing a main road that carries a lot of traffic.
adj. relating to the vessels that transport oxygenated blood from the heart to the body; also describes major transport routes within a network.
The city is improving its arterial roads to reduce traffic.
Doctors monitored the patient's arterial blood pressure closely during the complex surgical procedure.
The urban planning committee focused on widening arterial thoroughfares to accommodate the projected increase in commuter traffic from the expanding northern suburbs.
From artery + -al.
Usage
Typically used attributively before a noun; in medical contexts, it specifically refers to the systemic circulation.