macronucleus

Then the macronucleus restored its original shape, band-like form.

核裂先于大核，在两仔口纤毛器即将完成;

(2) The macronucleus became shorter and thicker, finally oblate during the division of the cell.Then the macronucleus restored its original shape, band-like form.

(2)大核在体裂过程中由长带状逐渐缩短变粗至扁圆形, 于体即将迅速拉长，然后裂为二个新大核;