Category: U

  • Unisexual

    Having only one type of sexual structure (either male or female) produced by any one individual. Of only one sex. Descriptive of a flower having only pistils or only stamens, not both. Having stamens or pistils only. Of 1 sex, as in plants that have separate male and female flowers.  

  • Uterine haemorrhage

    Bleeding in the uterus.  

  • Urinary lithiasis

    The formation of urinary stones.  

  • Urinary calcification

    The deposit of calcium salts in the tissues of the urinary tract.  

  • Ullage

    When you buy a bottle of wine or a carton of milk, the ullage is the space near the top of the vessel containing no liquid. The term ultimately derives from the Latin oculus, meaning eye: thanks to the Gallic contempt for consonants, the Latin oculus evolved into oeil, an unpronounceable French word meaning eye;…

  • U.S. patent and trademark office (USPTO)

    The Washington, D.C.-based American Government agency that is responsible for common patent protection matters for all of America’s 50 states and its territorial possessions. The USPTO allows the patenting of new and unique microbes, plants, and animals; as well as the new and unique methods to produce such biotechnology advances.  

  • Unsaturated fatty acid

    A fatty acid containing one or more double bonds (between individual atoms of the molecule). Fatty acids whose carbon atoms lack two or more hydrogen atoms. They are usually liquid at room temperature and come from vegetable products contain no cholesterol saturated fatty acids. Those fats that are liquid at room temperature. Fatty acids are…

  • Units (U)

    A measure (quantitation) of biological activity of a substance, as defined by various standardized assays (tests). An organization of curriculum implying a unity or wholeness.  

  • Union for protection of new varieties of plants (UPOV)

    A group of the world’s countries that have jointly agreed to mutually protect the intellectual property (of owners) that is inherent in new plant varieties developed by man. The secretariat for this union is in Geneva, Switzerland.  

  • Ultrafiltration

    A (mixture) separation methodology that uses the ability of synthetic semipermeable membranes (possessing appropriate physical and chemical natures) to discriminate between molecules in the mixture, primarily on the basis of the molecules’ size/shape. Invented and developed by Dr. Roy J. Taylor in the 1950s and 1960s, ultrafiltration is typically utilized for the separation of relatively…