GI Motility Online

Table 2 - Function of various elements involved in belching and swallowing

From the following article

Reflex interaction of pharynx, esophagus, and airways

Reza Shaker

GI Motility online (2006)

doi:10.1038/gimo11

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 Vestibular closureEpiglottal descentLaryngeal elevationHyoid movement
EventsVC-ADSupraglotticSubepiglottic  AnteriorSuperiorInferior

VC-AD, vocal cord adduction. +, present; -, absent.

Swallowing+++++++-
Esophageal belch without increase in intragastric pressure+----+plusminusplusminus
Esophageal belch with increase in intragastric pressure++---+plusminusplusminus
Gastric belch without increase in intragastric pressure+----+plusminusplusminus
Gastric belch with increase in intragastric pressure++---+plusminusplusminus
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