Category: B

The symptoms caused by the internal use of borax or boron compounds. These include dry skin, eruptions, and gastric disturbances.  

A system used to document the severity of the patient’s shortness of breath using numbers anchored with verbal descriptions (e.g., 10 = completely out of breath; 5 = somewhat breathless; 1 = breathing easily). The patient or athlete chooses the number that best corresponds to his or her current perceived respiratory effort.  

A feeling of fatigue, depression, or disinterest caused by a lack of challenging or meaningful work or stimulation.  

The internal diameter of a tube.  

The causative agent of whooping cough.  

The outer part or edge; boundary.  

Any basic salt of boric acid.  

A special shoe, brace, or bandage for covering, protecting, and/or immobilizing the foot, ankle, and lower leg.  

A strong immune response generated by a second exposure to an antigen.  

In radiation oncology the delivery of a large dose of radiation to a tumor in addition to the radiation supplied by an external beam.