Wet mount urethral fluid examination is a test performed by spreading urethral fluid on a glass slide and staining it. The shape of bacteria as well as cells in the urethral fluid after staining will be observed under a microscope.

Urethritis is inflammation of the urinary tract. The urethra is the tube that carries urine from the bladder out of the body. In addition, in the penis, the urethra is also the exit route for semen.