Assertion: entire esophagus | /r/CapableOf | travel at 2–4 cm/second
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Source sentences:
text: For instance, even though most of the time esophageal peristaltic waves triggered by swallowing when viewed radiographically appear continuous for the entire esophagus (traveling at 2–4 cm/second) and manometric peristaltic contractions between striated and smooth muscle phenotypically appear similar , important regional physiologic phenomenon might still occur.