Category: B

  • Beam nonuniformity ratio

    A measure of the homogeneity of a therapeutic ultrasound wave, expressed as a ratio between the ultrasound unit’s average intensity (the metered output) and the peak intensity within the output wave. A completely homogeneous wave is represented by a 1:1 BNR.  

  • Balance beam

    In occupational and physical therapy, a 4-in-wide plank used to assess and improve balance and motor coordination; it is usually elevated several inches from the floor.  

  • Beaker

    A widemouthed glass vessel for mixing or holding liquids.  

  • Bdellovibrio

    A genus of gram-negative bacteria that parasitize other bacteria by living and reproducing inside them.  

  • Baylisascaris procyonis

    The raccoon roundworm. Accidental consumption of roundworm eggs (e.g., by children who put contaminated soil in their mouths) can result in encephalitis.  

  • Baye’s theorem

    A statistical theorem concerned with analyzing the probability that a patient may have a specific condition after diagnostic testing. The theorem states that if a disease is very rare (the pretest probability is low), the patient is unlikely to have that condition even with a positive diagnostic test. Conversely, when the pretest probability of a…

  • Bay

    An anatomical recess or depression filled with liquid.  

  • Battered woman

    A woman who has been physically or sexually assaulted by her husband, partner, or former partner. Typically verbal abuse precedes physical violence. An escalating pattern of intimidation and injury often results, sometimes ending in death. Frequently women are reluctant to report this type of abuse because they feel trapped or isolated. Women from any socioeconomic…

  • Battered child syndrome

    Physical abuse of a child by an adult or older sibling.  

  • Bathyhypesthesia

    Impairment of sensitivity in muscles and other deep body structures.