Ulna

Plan of ossification of the ulna. From three centers.Epiphyseal lines of ulna in a young adult. Lateral aspect. The lines of attachment of the articular capsules are in blue.

The ulna (/ˈʌlnə/) is one of the two long bones in the forearm (the other is the radius). It is on the side opposite the thumb, extends from the elbow to the wrist, and runs parallel to the radius, which it exceeds in length and size. In anatomical position, when the arms are down at the sides of the body and the palms of the hands face forward, the ulna is located at the side of the forearm closest to the body (the medial side). The bone may break due to excessive weight or impact.

单词	Ulna fracture
释义	Ulna fracture 原声例句 Friday Flash Fiction——100词微小说 " See you next week, " says D-21, " for… ? " " An exposed ulna fracture, " I remind it. “下周见，”D-21 说，“为了… … ？” “尺骨骨折暴露，”我提醒道。英语百科 Ulna The ulna (/ˈʌlnə/) is one of the two long bones in the forearm (the other is the radius). It is on the side opposite the thumb, extends from the elbow to the wrist, and runs parallel to the radius, which it exceeds in length and size. In anatomical position, when the arms are down at the sides of the body and the palms of the hands face forward, the ulna is located at the side of the forearm closest to the body (the medial side). The bone may break due to excessive weight or impact.
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Ulna fracture

Ulna