Peristalsis is a symmetrical contraction of muscles which propagates in a wave down the muscular tube, more specifically the esophagus.In humans, peristalsis is found in the â¦ contraction of smooth muscles to propel contents through the digestive tract.eristalsis is a symmetrical contraction of muscles which propagates in a wave down the muscular tube, more specifically the esophagus.
Symbicort is a type of âmaintenanceâ therapy for COPD. This means that it should be used every day to help manage and reduce the symptoms that a COPD patient has all or most of the time. The medicine is not used for treating COPD flare-ups or sudden symptoms.
Symbicort contains two different medications: budesonide and formoterol. Formoterol is part of a class of drugs called beta-adrenergic receptor agonists, or beta agonists for short.