The cardiovascular system Vascular anastomosis Anastomosis between a Anastomosis between v Arteriolovenular anastomosis Collate al vessel collat cIrcaeaThe cardiovascular system Vascular anastomosis ◼ Anastomosis between a. ◼ Anastomosis between v. ◼ Arteriolovenular anastomosis ◼ Collateral vessels ◼ Collateral circulation