Humidity is the amount of moisture in the air. It can be expressed as absolute humidity, which is the mass of water in a specified volume or mass of air, or more commonly as relative humidity, which is the absolute humidity divided by that absolute humidity that would make dew form at the same temperature.
... is so called urethral syndrome[?]
Passage of kidney stones through the urethra can be painful and subsequently it can lead to urethral strictures[?]
Endoscopy of ...