This section provides an outline of the arterial and venous trees derived from dog as a model.

Only a few most salient comparative features are discussed here; the vascularization of particular organs and regions of special functional or clinical importance are included in other chapters.

FIG. 7.36 A rete mirabile interposed on the blood supply to the bovine brain. 1, Common carotid artery (a.); 2, occipital a.; 3, internal carotid a. (regresses after birth); 4, external carotid a.; 5, maxillary a.; 6, branch from rete to arterial circle of the brain; 7, rostral epidural rete mirabile.