Notice what also happens because these digestive enzymes come in close proximity with these blood vessels, that blood vessels are also actually broken down. And what happens is this creates a temporary source of nutrition, of oxygen and nutrients such as glucose and so forth. And this eventually will develop into something called the placenta. So we have these blood vessels that now are in slight contact with this region of our embryo. So by the way, this is what eventually forms the corian. So in a way, this is our corion.