ABSTRACT

Figure 1.8 Germinal vesicle breakdown (GVBD): immunocytochemical staining (bright-field view of the oocyte is shown in red, tubulin in green, chromatin in blue). (a) Germinal vesicle. (b) GVBD: disappearance of nucleoli. (c) GVBD: chromatin compaction. (d) GVBD: early metaphase I stage: chromatin is compacted but no spindle is formed.