medullary arteries of brain

med·ul·lar·y ar·ter·ies of brain

branches of the cortical arteries that penetrate to and supply the white matter of the cerebrum.

med·ul·lar·y ar·te·ries of brain

(med'ŭ-lar'ē ahr'tĕrēz brān)
Branches of the cortical arteries that penetrate to and supply the white matter of the cerebrum.