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单词 Metacarpal bone
释义

Metacarpal bone

原声例句
万物生灵

Clean fracture of the metacarpal bone.

掌骨干净骨折。

中文百科

掌骨 Metacarpal bones

(重定向自Metacarpal bone)

掌骨是手部骨骼中间的部份,连接在近端手指及腕骨之间,而腕骨再与前臂链接。

掌骨由五个圆柱状的骨头组成,由桡骨到尺骨侧依序命名(I-V)。

  • 第一掌骨(1st metacarpal bone)
  • 第二掌骨(2nd metacarpal bone)
  • 第三掌骨(3rd metacarpal bone)
  • 第四掌骨(4th metacarpal bone)
  • 第五掌骨(5th metacarpal bone)
英语百科

Metacarpal bones 掌骨

(重定向自Metacarpal bone)
Left hand shown with thumb on left.
The principle of homology illustrated by the adaptive radiation of the metacarpal bones of mammals. All conform to the basic pentadactyl pattern but are modified for different usages. The third metacarpal is shaded throughout; the shoulder is crossed-hatched.

In human anatomy, the metacarpal bones or metacarpus, form the intermediate part of the skeletal hand located between the phalanges of the fingers and the carpal bones of the wrist which forms the connection to the forearm. The metacarpal bones are equivalent to the metatarsal bones in the foot.

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更新时间:2025/6/21 0:32:35