blastodisc

1. A serial of images of centrosomes, spindle and nuclear in olive flounder and turbot fertilized eggs from blastodisc formation to 4-cell stage were observed.
   同时获得了牙鲆和大菱鲆受精卵从胚盘形成到4-细胞期的一系列中心体、纺锤体及核的变化图象。

noun

1. a layer of cells on the inside of the blastula

   Synonym:    blastodermgerminal discgerminal area