passages.id: split_5_test_3376_passage
passages.type: progene_text
passages.text: These effects , and the localization of laminin 1 in Reichert ' s membrane and laminin 10 / 11 in the surrounding decidual matrix , suggest that these laminin isoforms influence the direction and quality of invasion of trophoblast cells during implantation , and provide epigenetic cues that drive the morphogenesis of the yolk sac placenta .