资料来源 : pyDict

中胸腹板; 中胸骨

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Mesosternum \Mes`o*ster"num\, n. [Meso- + sternum.]
   1. (Anat.) The middle portion, or body, of the sternum.

   2. (Zo["o]l.) The ventral piece of the middle segment of the
      thorax in insects.