Category: B

  • Buffalo hump

    A deposit of fat in the lower midcervical and upper thoracic area of the back. It is usually caused by excessive adrenocortical hormone production or therapy. A buffalo hump refers to an accumulation of fatty tissue beneath the skin on the back of the neck. This condition may arise as a consequence of prolonged treatment…

  • Bucky factor

    A measure of the amount of radiation absorbed by the Bucky diaphragm. This indicates the amount by which to increase the technical factors when a grid is being used.  

  • Buck’s extension

    A method of producing traction by applying regular or flannel-backed adhesive tape to the skin and keeping it in smooth close contact by circular bandaging of the part to which it is applied. The adhesive strips are aligned with the long axis of the arm or leg, the superior ends being about 1 in. (2.5…

  • Buccocervical

    Concerning the buccal surface and cervical margin of a tooth.  

  • Bryant’s traction

    Traction applied to the lower legs with the force pulling vertically. It is used especially in treating fractures of the femur in children.  

  • Brushing

    A technique of tactile stimulation using small brushes over selected dermatomes to elicit muscular responses in the rehabilitation of persons with central nervous system damage.  

  • Brushfield spots

    Gray or pale yellow spots sometimes present at the periphery of the iris. They may be an isolated finding but are sometimes found in Down syndrome.  

  • Brush

    A tool with bristles on its end designed to remove debris or damaged cells from a body part. To gently overlay a surface with a fluidic substance, like clarified butter, or with a pulverulent material such as wheat flour.  

  • Brunner’s syndrome

    A rare X-linked deficiency of monoamine oxidase A. Mild mental retardation and impulsive or aggressive behaviors are characteristically found in affected children.  

  • Brugia malayi

    A filarial parasitic worm that can invade lymphatics and cause massive swelling of the scrotum or of the lower extremities. The latter condition is called elephantiasis.