Cell Biology. the first stage of mitosis or meiosis in eukaryotic cell division, during which the nuclear envelope breaks down and strands of chromatin form into chromosomes.
更多prophase例句
Prophase: Spindle in long axis of the Nucleus, Chromosomes dividing.
Prophase: Chromatin in thickened convoluted threads, beginning of Spindle.
The prophase covers all changes up to the completion of the mitotic figure.
Diploid (2n) chromosome numbers were determined from cells in late prophase and metaphase of mitosis.
A prophase of the same division (fig. 104) proves that the small chromosome divides quantitatively like the others.