noun
meroblastic cleavage; partial cleavage
Biology term for incomplete cell division where only part of the egg cytoplasm cleaves; contrasted with 全割 (holoblastic cleavage).
See also: 全割
魚類の卵は部分割を行う。
Fish eggs undergo meroblastic cleavage.
部分割は、卵黄の多い卵
Partial cleavage is seen in eggs with a large amount of yolk.