title: Polarizing activity of the avian limb examined on a cellular basis.
mesh_terms: D000818:Animals; D002449:Cell Aggregation; D002454:Cell Differentiation / Q000528:radiation effects; D002467:Cell Nucleus / Q000502:physiology; D002478:Cells, Cultured; D002642:Chick Embryo; D003593:Cytoplasm / Q000502:physiology; D004627:Embryonic Induction / Q000528:radiation effects; D005121:Extremities / Q000196:embryology*; D008648:Mesoderm / Q000637:transplantation