title: Further evidence for a developmental change in morphogenetic properties of embryonic chick heart cells.
mesh_terms: D000367:Age Factors; D000818:Animals; D002449:Cell Aggregation; D002454:Cell Differentiation; D002642:Chick Embryo; D046508:Culture Techniques; D006321:Heart / Q000196:embryology*; D006652:Histological Techniques; D007553:Isotope Labeling; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014357:Trypsin
chemical_list: D014316:Tritium; D014357:Trypsin; D013936:Thymidine