Category: B

  • Barrier free design

    An approach to planning and designing living environments that emphasizes accessibility and use by persons with functional limitations.  

  • Barratry

    The practice of encouraging or sponsoring legal actions, especially frivolous or unnecessary lawsuits.  

  • Baroscope

    An instrument that registers changes in the density of air.  

  • Baroreflex

    Any of the reflexes mediated or activated through a group of nerves located in various blood vessels in the intrathoracic and cervical areas and in the heart and its great vessels.  

  • Barograph

    A device used to measure and record changes in atmospheric pressure.  

  • Barognosis

    The ability to estimate weights; the opposite of baragnosis.  

  • Barmah forest virus

    A virus transmitted by mosquito bite that causes rash, fever, joint pain, and stiffness. It is found mostly in Australia and neighboring islands. A unit of area, employed chiefly in chemistry and physics, approximating the size of the nucleus of a uranium atom.  

  • Barlow’s test

    A maneuver designed to detect subluxation or dislocation of the hip. The examiner adducts and then extends the legs. The examiner keeps his or her fingers over the heads of the femurs. A dysplastic joint will be felt to dislocate as the femur leaves the acetabulum.  

  • Barium meal

    The ingestion of barium sulfate to outline the esophagus, stomach, and small intestines during x-ray or fluoroscopic examination. The exam may be used as an alternative to endoscopy to diagnose reflux, dysphagia, peptic disease, or other upper gastrointestinal conditions. Also called upper G.I. series. A flavored beverage containing barium, a substance that is opaque to…

  • Baricity

    The relative pressure, density, or concentration of a gas or a solution. Hyperbaric solutions have an increased density relative to a reference substance (e.g., hyperbaric oxygen has a greater oxygen concentration than the air we normally breathe). Hypobaric solutions are less concentrated than a reference solution (e.g., an injected drug can be made hypobaric relative…