Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Gonorrhea is a sexually transmitted infection caused by the bacterium Neisseria gonorrhoeae. It primarily affects the mucous membranes of the reproductive tract, but can also infect the throat, eyes, and rectum.
5 Must Know Facts For Your Next Test
Neisseria gonorrhoeae is a Gram-negative diplococcus belonging to the Proteobacteria phylum.
This bacterium requires oxygen for growth, classifying it as an obligate aerobe.
Gonorrhea employs several virulence factors including pili for attachment and antigenic variation to evade the immune system.
Antibiotic resistance in Neisseria gonorrhoeae has become a significant global public health issue.
Symptoms of gonorrhea can include painful urination and discharge from the genitals, though many individuals may be asymptomatic.