megakaryocyteWiktionary 原文英美构词拆解megamega-前缀karyocytekaryocyte词干mega-(originally) Very large, great. · In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by one million (106).词源说明1890, from mega- + karyocyte释义名词noun1(anatomy) A large cell, found in bone marrow, responsible for the production of platelets.同族词派生词 7micromegakaryocyte·erythromegakaryocyte·promegakaryocyte·