Mesosternum

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

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


        thorax in insects.
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