neisseria gonorrhoeae pathogen bacteria

neisseria gonorrhoeae pathogen bacteria sexually transmitted disease gonococcus infection gramnegative isometric flat vector conceptual meningitidis cocci health microbiology meningitis pathogenic bacterium bacterial shape illness meningococcal beanshaped meningococcus diplococci magnification unhealthy healthcare model gonorrhea gonorrhoea science medicine coccus microscopic symbol diplococcus poster urethritis genital tract antibiotic resistance asymptomatic transmission pathogenesis pili conjunctivitis pharyngeal rectal diagnosis