Category: U

  • Urophilia

    One of the paraphilias, characterized by marked distress over, or acting on, sexual urges that involve urine.  

  • Undoing

    A defense mechanism consisting of behavior that symbolically atones for, makes amends for, or reverses previous thoughts, feelings, or actions. A defense mechanism, operating unconsciously, in which something unacceptable and already done is symbolically acted out in reverse, usually repetitiously, in the hope of relieving anxiety. Atonement.  

  • Up-regulate

    The process of increasing the response to a stimulus.  

  • USDA food guide

    The United States Department of Agriculture food guide illustrates how to eat in accordance with the Dietary Guidelines for Americans. Constructed across a range of calorie levels to meet the needs of various ages and genders.  

  • US 1976 Copyright Act

    The act spells out the basic rights of copyright holders. For the fitness industry, this act covers use of music with the following statement, “…the copyright owner has the right to charge a fee for the use of his or her music in public performance.”  

  • Urinary system

    Includes organs that produce, store, and eliminate urine. The organs concerned in the formation and voiding of urine. The system consists of the kidneys, ureters, urinary bladder, and urethra. A system of organs and ducts which separate waste liquids from the blood and excrete them as urine, including the kidneys, bladder, ureters and urethra. The…

  • Unsaturated fat

    Unsaturated fat

    Any fat that is not completely hydrogenated (mono- and polyunsaturated); liquid at room temperature. Fat which does not have a large amount of hydrogen, and so can be broken down more easily. Contain double bonds between carbon atoms; usually are vegetable rather than animal fat. Fats with fatty acids with double bonds between the carbon…

  • Uric acid (urate)

    A chemical created when the body breaks down purines, which are found in foods such as wine, beer, dried beans, and peas. Uric acid is a standard component found in blood and urine, produced in the human body as a result of purine metabolism. In the case of gout, the body’s ability to process uric…

  • Ultraviolet light

    Ultraviolet light

    Radiation lying in the ultraviolet range: the wave lengths are shorter than light but longer than x-rays. Light that has rays of shorter wavelength than visible light. Invisible rays that occur naturally in sunlight. The ultraviolet light spectrum is divided into ultraviolet A (UVA), ultraviolet B (UVB), and ultra¬ violet C (UVC). UVA light is…

  • Uvea

    The middle coat of the eyeball, consisting of the choroid in the back of the eye and the ciliary body and iris in the front of the eye. A layer of organs in the eye beneath the sclera, formed of the iris, the ciliary body and the choroid. Layer of the eye containing the iris,…