GI Motility Online

Table 1 - Comparison of the biomechanical events during primary and pharyngeal swallow

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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 Primary swallowPharyngeal swallow

+. Present; -, absent.

Lingual peristalsis+-
Tongue base movement++
Oral volume clearance+-
Pharyngeal volume clearance++
Hyoid bone movement++
Velopharyngeal contact++
Vocal cord closure++
Aryepiglottal approximation++
Epiglottal descent++
Laryngeal elevation++
Vestibular closure++
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