Zoology the portion of the apodeme of the thorax in Crustacea which arises from the intesternal membrane. [ < endo-prefix and comb. form + ancient Greek στέρνονsternumn. + -itesuffix1.]
ΚΠ
1877 T. H. HuxleyMan. Anat. Invertebrated Animals vi. 309 Each endosternite is distinguishable into three apophyses.