anterior and posterior radicular arteries

an·te·ri·or and pos·te·ri·or ra·dic·u·lar ar·te·ries

(an-tēr'ē-ŏr pos-tēr'ē-ŏr ră-dik'yū-lăr ahr'tĕr-ēz) Branches of spinal arteries that are distributed to the dorsal and ventral roots of spinal nerves and their coverings.
Synonym(s): arteriae radiculares anterior et posterior.