Further Observations on the Gastro - Oesophageal
نویسنده
چکیده
Much confusion has arisen from the many terms applied to this area. Because of this we have chosen the term "gullet" as opposed to " oesophagus" to cover that part of the foregut which may normally appear as a tube, irrespective of its mucosal lining or site in the body cavities (Barrett, 1957). The point at which the gullet (tube) enters the fundus of the stomach (sac) is referred to as the " cardiac orifice." The term " sphincteric area " indicates a zone of increased resting pressure which can only be determined by manometry and has no exact radiological counterpart. Within this " sphincteric area " is a sharply localized point where the pressure swing with inspiration changes from an abdominal to a thoracic pattern and this is termed the " pressure barrier." It 'is important to realize that the "pressure barrier" is not synonymous with the "sphincteric area."
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