collateral artery


col·lat·er·al ar·ter·y

1. one that runs parallel with a nerve or other structure; 2. one through which a collateral circulation is established.

col·lat·er·al ar·te·ry

(kŏ-lat'ĕr-ăl ahr'tĕr-ē) 1. One that runs parallel with a nerve or other structure. 2. One through which a collateral circulation is established.