An order of ray-finned fish, also called the Microcyprini, and comprising mostly small, fresh-water fish. They are closely related to the Atheriniformes[?] and are occasionally included with them. Many popular aquarium fish, such as killifish and live-bearers, belong here.
... Related to urethritis is so called urethral syndrome[?]
Passage of kidney stones through the urethra can be painful and subsequently it can lead to urethral ...