slide show gram negative diplococci in pus from penis

bacteria bacterial bacteriology bacterium biology body care cell colony diplococci disease gonococcus gonorrhea gonorrhoea gonorrhoeae gram health infect infection infectious laboratory magnification medical medicine meningitidis meningitis meningococcal microbe microbiological microbiology micrograph microorganism microscope negative neisseria outs pathogen pathogenic pathological pathology scanning science sexually syphilis transmission transmitted unhealthy vaginalis venereal