| myotomy | The dissection, or that part of anatomy which treats of the dissection, of muscles. Origin: Myo- + Gr. To cut: cf. F. Myotomie. Source: Websters Dictionary (01 Mar 1998) |
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| cricopharyngeal myotomy | Division of the cephalad portion of the cricopharyngeus muscle, usually for treatment of Zenker's oesophageal diverticulum. (05 Mar 2000) |
| Heller myotomy | Treatment of oesophageal achalasia by longitudinal division of the lowest part of the oesophageal muscle down to the submucosal layer; some muscle fibres of the cardia may also be divided. Synonym: cardiomyotomy, oesophagogastromyotomy, Heller myotomy. Origin: oesophagus + G. Mys, muscle, + tome, incision (05 Mar 2000) |