The cytotrophoblast layer spreads and contacts the cytotrophoblast layers of neighboring anchoring villi, creating a continuous layer called the cytotrophoblastic shell.
He talks in a slightly accusatory and officious blurt as if he knows that his meaning will have to barge through several layers of prejudice to be heard.
Unfortunately, the parts of the movie that are truly good are buried beneath the deadening layers of thriller cliches and an unconvincing love story...