The carpometacarpus is the fusion of the carpal and metacarpal bone, essentially a single fused bone between the wrist and the knuckles. It is a smallish bone in most birds, generally flattened and with a large hole in the middle.
网络释义
1、[脊椎]腕掌骨
腕掌骨 carpometacarpus掌骨底 base of metacarpal bone; basis metacarpalis; basis ossis metacarpalis ..