trapezium bone

1. The arterial supply of the trapezium mainly run from the radial artery and its superficial palmar branch to enter the bone through the dorsal, radial and palmar sides.
   大多角骨的动脉来自桡动脉及其掌浅支，从该骨的背侧、桡侧和掌侧入骨。
2. On distal articular surface of trapezium bone, central area is higher than palmaris area and dorsal area, but lower than ulnaris area and radialis area.
   大多角骨远端关节面中央部较掌侧部、背侧部凸起，但较尺侧部和桡侧部低。
3. The surface dimple of first metacarpal bone is jogged with articular surface lobe of trapezium bone, but longer and more anfractous a little than it.
   另外，第一掌骨表面的浅凹与大多角骨关节面的凸起部相嵌合，但又较大多角骨的凸起部稍长，稍弯曲。

noun

1. the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals

   Synonym:    trapeziumos trapezium