Figure 9. Confocal micrographs of fresh and aged mice oocytes. Configuration of meiotic spindle and chromosomes in (A) Normal spindle morphology of fresh oocytes, microtubules traversing between both poles and chromosomes aligned in a compact group on the equatorial plane (B) and (c) abnormal spindle morphologies of aged oocytes. Miao et al. (2009) with permission.