Fig. 8From: Evidence for cell turnover as the mechanism responsible for the transport of embryos towards the vagina in viviparous onychophorans (velvet worms)Comparison of apoptosis (orange) and cell proliferation patterns (cyan) in the genital tracts of placentotrophic (a) and combined lecithotrophic/matrotrophic (b) velvet worms. Abbreviations: d, distal; p, proximalBack to article page