部ぶ分ぶん割かつ

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

• 魚ぎょ類るいの卵たまごは部ぶ分ぶん割かつを行おこなう。

  Fish eggs undergo meroblastic cleavage.

• 部ぶ分ぶん割かつは、卵らん黄おうの多おおい卵たまごで見みられる。

  Partial cleavage is seen in eggs with a large amount of yolk.