Retching (also known as dry heaving) is the reverse movement (peristalsis) of the stomach and esophagus without vomiting. It can be caused by bad smell or choking, or by withdrawal from some medications after vomiting stops. The function is thought to be mixing gastric contents with intestinal refluxate in order to buffer the former and give it mo... Found on http://en.wikipedia.org/wiki/Retching
Gastric and oesophageal movements of vomiting without expulsion of vomitus. ... Synonym: dry vomiting, vomiturition. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: rech′ing Definitions: 1. Gastric and esophageal movements of vomiting without expulsion of vomitus. Synonyms: dry vomiting, vomiturition Found on http://www.medilexicon.com/medicaldictionary.php?t=77778