Methods Six adult red-latex injected cadaver hands were used to study the artery sources, routes and distributions on dorsal-ulnar area of the metacarpophalangeal and carpometacarpal joint of thumb.

• 方法6只成人红色乳胶灌注手标本,观察拇指腕掌关节、指关节尺背侧区动脉的来源、行及其分布。