無む糸し分ぶん裂れつむしぶんれつMeanings1noun, noun which may take the genitive case particle 'no'amitosisA type of cell division without spindle formation, contrasted with mitosis and meiosis. Technical term used in biology.無む糸し分ぶん裂れつは、原げん核かく生せい物ぶつなどで見みられる細さい胞