fig2
Figure 2. Rat oestrus cycle and mating monitoring. ACE: Anucleated cornified epithelial cell; NEC: nucleated epithelial cell; L: leukocyte; A-E: images show rat vaginal smears stained with toluidine blue to label DNA; F: graphical representation of the 4-5 day long rat oestrus cycle representing the proportions of cell types present in each phase. F is adapted from[45].
