Figure 4.
Monochorionic placenta in monozygotic twinning. Top panel: photograph of single, monochorionic placenta with dividing amnion tissue and 2 umbilical cords. Bottom panel: diagrammatic regeneration of monochorionic twin placenta with vascular anastomoses (labeled 1-5). F and F1 indicate umbilical cord of 2 twins. Taken from Strong and Corney.39