immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune response cell communication cellular response to stimulus cell activation interspecies interaction between organisms immune responseimmune response cell communicationcell communication cellular response to stimulucellular response to stimulus cell activationcell activation interspecies interaction betinterspecies interaction between organisms protein binding signaling receptor activity protein binding signaling receptor activity protein binding signaling receptor activity protein binding signaling receptor activity protein binding signaling receptor activity protein binding signaling receptor activity protein binding signaling receptor activity protein binding signaling receptor activity protein binding signaling receptor activity protein binding signaling receptor activity protein bindingprotein binding signaling receptor activitysignaling receptor activity extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular region cell membrane organelle protein-containing complex extracellular regionextracellular region cellcell membranemembrane organelleorganelle protein-containing complexprotein-containing complex 
