Explore Words Kanji Grammar Guides

Copyright © 2026 Kotomora. All Rights Reserved.

Get the Kotomora apps for iOS and Android.

Explore Words Kanji Grammar Guides About Support Privacy

Copyright © 2026 Kotomora. All Rights Reserved.

部分割 (ぶぶんかつ) Japanese meaning | Kotomora

部ぶ分ぶん割かつ

ぶ

ぶ

ん

か

つ

Meanings

1

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

Kanji

部section, bureau, dept
分part, minute of time, segment
割proportion, comparatively, divide

Related words

全ぜん割かつ
全割 (holoblastic cleavage) refers to complete division of the egg, while 部分割 is incomplete, typically due to high yolk content.

Built from

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.

部ぶ+分ぶん割かつ

Etymology

Compound of 部分 (part, portion) and 割 (divide, split). The term is a direct calque of the English 'partial cleavage' used in embryology.