macronucleus

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

小核分裂先于大核，在两仔口毛器即将分开时完成;

(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)大核在体分裂过程中由长带状逐渐缩短变粗至扁圆形, 于体即将分开时迅速拉长，然后分裂为二个新大核;