Figure 9From: Chorioallantoic placentation in Galea spixii (Rodentia, Caviomorpha, Caviidae)The maternal blood channels. Early pregnancy, immunostaining for vimentin (A) and α-actin (B) reveals the presence of trophoblast (tr) in the walls of the maternal blood channels (mbc) in the labyrinth (negative results), in contrast to fetal capillaries (fc) and larger fetal vessels (fv) that are enclosed by endothelium (red nuclei). Scale bars = 0.1 mm.Back to article page