illustration of ichthyostega forelimb showing phalanges, ulna, radius, humerus, carpals, metacarpals - 掌骨 幅插畫檔、美工圖案、卡通及圖標
an x-ray containing the three different views showing the fractured bones of the fingers - 掌骨 幅插畫檔、美工圖案、卡通及圖標