title: Cell interactions in a "bilayer" of tumor cells. A scanning electron microscope study.
mesh_terms: D002448:Cell Adhesion; D002465:Cell Movement; D003260:Contact Inhibition; D005898:Glass; D006367:HeLa Cells / Q000166:cytology* / Q000648:ultrastructure; D006801:Humans; D008855:Microscopy, Electron, Scanning; D011554:Pseudopodia / Q000648:ultrastructure