title: Fine structure of leopard frog (Rana pipiens) lymphocytes after in vitro transformation by phytohemagglutinin.
mesh_terms: D000818:Animals; D001001:Anura; D002449:Cell Aggregation; D002465:Cell Movement; D002466:Cell Nucleolus / Q000648:ultrastructure; D002467:Cell Nucleus / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D006570:Heterochromatin / Q000648:ultrastructure; D007700:Kinetics; D008213:Lymphocyte Activation; D008211:Lymphocyte Cooperation; D008214:Lymphocytes / Q000648:ultrastructure*; D010835:Phytohemagglutinins / Q000494:pharmacology*; D011894:Rana pipiens / Q000276:immunology*; D013154:Spleen / Q000276:immunology
chemical_list: D006570:Heterochromatin; D010835:Phytohemagglutinins