| 单词 | squamocolumnar z line |
| 释义 | squamocolumnar Z linesquamocolumnar Z lineEndoscopy A zig-zag border seen by upper GI endoscopy which corresponds to the abrupt transition from stratified squamous or esophageal epithelium to columnar–gastric epithelium; the Z line's appearance is due to the change from the multicelled layer of the esophagus, to the single cell layer of gastric mucosa in intimate contact with blood vessels. See Barrett's esophagus. |
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