Cell Communication|Cell Line, Transformed|Computational Biology|Computer Simulation|Extracellular Space|Humans|Image Processing, Computer-Assisted|Immunological Synapses|Intercellular Adhesion Molecule-1|Killer Cells, Natural|Kinetics|Membrane Proteins|Particle Size|Pattern Recognition, Automated|Poisson Distribution|Protein Structure, Tertiary|T-Lymphocytes|Thermodynamics