bacteria neisseria gonorrhoeae inside phagocytes

antigen artwork bacteria bacterial beanshaped biology blood care cell cocci diplococci disease gonorrhea gonorrhoeae gramnegative granulocyte healthcare human illness illustration immune immunity immunology incomplete infection inflammation leukocyte magnification medical medicine meningitis meningococcal meningococcus microbiology microscope neisseria neutrophil nucleus pathogen pathogenic phagocyte phagocytosis research response science two unhealthy white