等とう割かつ

noun

equal cleavage

Biology term for the type of embryonic cleavage where blastomeres are of equal size. Contrasts with 不等割 (unequal cleavage).

See also: 不等割

• ウニの卵たまごは等とう割かつを行おこなう。

  Sea urchin eggs undergo equal cleavage.

• 等とう割かつと不ふ等とう割かつの違ちがいを説せつ明めいしてください。

  Please explain the difference between equal cleavage and unequal cleavage.