Can the differential adhesion hypothesis explain how an aggregate of strongly cohesive cells can be penetrated by more weakly cohesive cells?
D000818:Animals; D002448:Cell Adhesion; D002465:Cell Movement; D002478:Cells, Cultured; D002642:Chick Embryo; D005121:Extremities / Q000196:embryology; D006321:Heart / Q000196:embryology; D008099:Liver / Q000196:embryology; D009024:Morphogenesis; D013997:Time Factors