cellular defense: leukocytes under a microscope, showcasing their critical role in immune system, highlighting intricate

observation analysis genetics infection microbe defense virus experiment organism molecular lymphocyte hematology cytoplasm medicine treatment nucleus basophil eosinophil disease study serum blood examination monocyte microscopy diagnosis white immunity microbiology health leukocyte bacteria biology cell pathogen immune clinical plasma sample physiology research microscope lab investigation inflammation corpuscle protection antibody neutrophil ai generated