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Related to nongonococcal urethritis: chlamydia
n. Abbr. NGU
An inflammation of the urethra similar to that of gonorrhea but caused by the bacterium Chlamydia trachomatis and occurring mostly among males as an early symptom of chlamydia.
non•gon•o•coc′cal urethri′tis(nɒnˌgɒn əˈkɒk əl)
a sexually transmitted infection of the urethra caused by the parasite Chlamydia trachomatis, or the mycoplasma Ureaplasma urealyticum. Abbr.: NGU