Answer
Fig. 20.35
Joint movements may temporarily compress an artery and decrease the blood supply to a structure/organ. Arterial anastomoses allow blood to continuing flowing, through alternate routes and around the obstruction/obstructions.
Work Step by Step
Examples of arterial anastomoses are the Circle of Willis, the dorsal carpal arch, the deep palmar arch, the anastomosis around the elbow joint, and the scapular anastomosis around the shoulder joint.
