Meanings

atrial fibrillation

free action

initial response

arteria hepatica propria

riot policeman

anti-Japanese resistance movement (in pre-WWII China)

vertebral artery

automobile engine

automatic pistol

hepatic artery

feed intake behavior

animal species

art movement

Eumetazoa

Cnidaria (phylum of marine animals)

Nematoda (phylum of roundworms)

lophotrochozoan

coronary artery bypass surgery

electric airsoft gun

to take action