One of the interesting issues is the state of differentiation of the EC that are used in these in vitro assays, and how similar are they to EC in vivo that are undergoing vasculogenesis or angiogenic sprouting.
One of <br>the interesting issues is the state of differentiation of the EC that are used in these in vitro <br>assays, and how similar are they to EC in vivo that are undergoing vasculogenesis or <br>angiogenic sprouting.