heterocladic

het·er·o·clad·ic

(het'ĕr-ō-klad'ik),
Denoting an anastomosis between branches of different arterial trunks, as distinguished from homocladic.
[hetero- + G. klados, a twig]

heterocladic

/het·ero·clad·ic/ (-klad´ik) pertaining to or characterized by an anastomosis between terminal branches from different arteries.