breathing

(bre'dhing). i. The inhalation' and exhalation of air, respiration. 2. The respiratory sound heard on auscultation of th^ chest, abdom'- inal b., diaphragmatic b., in which the chest expansion occurs chiefly" downward, the depre ion of the diaphragm thus causing the abdomen to expand during inspiration; cog'wheel b., a jerky interruption of the breath sounds heard at times by auscultation, diaphragm at'ic b., abdominal b. goose b., a peculiar hi ing type of respiration. mouth b., habitual respiration through the mouth instead of the nose, pu'erile b., an exaggeration harsh, such as is normally noticed in children. thorac'ic b.,the opposite of abdominal b., b. in which the expansion of the chest is produced chiefly by elevation of the ribs.