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用解剖、动脉造影和铸型方法,观察了第一跖背动脉和跖底动脉供应(足母)趾和第二跖的情况。第一跖背动脉的位置深浅不一,浅型与深型的出现率近似,细弱型少见。第一跖背动脉不仅发出趾背动脉,还参与趾底动脉的形成。第一跖底动脉可分为深、浅二部,浅部外径小于跖背动脉。趾底动脉通常粗于趾背动脉,分布范围亦较大,在(足母)趾和第二趾的血供中起主要作用。本文对上述解剖特点在(足母)趾或第二趾游离移植中的意义,进行了讨论。
Anatomical, arteriographic and cast methods were used to observe the condition of the first metatarsal artery and the plantar palpation artery (toes) and the second plantar. The position of the first dorsal metacarpal artery varies in depth, the appearance rate of shallow and deep type is similar, and the weak type is rare. The first plantar dorsal artery not only issued a toe dorsal artery, but also involved in the formation of the toe artery. The first plantar artery can be divided into deep and shallow two, shallow outer diameter less than the dorsal metatarsal artery. The toe-basilar artery is usually thicker than the toe dorsal artery and has a larger distribution and plays a major role in the blood supply to both the toes and the second toes. This article discusses the significance of these anatomical features in free-toe transplantation or second toe transplantation.