title: Are cells in solid tissues immobile? Mesonephric mesenchyme studied in vitro.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001717:Birds / Q000196:embryology*; D002459:Cell Fusion; D002465:Cell Movement; D002478:Cells, Cultured; D002642:Chick Embryo; D066298:In Vitro Techniques; D008648:Mesoderm / Q000166:cytology*; D008854:Microscopy, Electron; D009040:Motion Pictures; D011784:Quail; D013936:Thymidine; D013997:Time Factors; D014316:Tritium; D014928:Wolffian Ducts / Q000166:cytology*
chemical_list: D014316:Tritium; D013936:Thymidine