Figure 19 - Role of UES closure muscles in esophago-UES relaxation reflex.
From the following article
Ivan M. Lang
GI Motility online (2006)
doi:10.1038/gimo12
Rapid injection of air into the esophagus of a decerebrate cat caused the CP to relax concomitant with activation of UES opening muscles, i.e., GH and TH. ESO#, esophagus number of centimeters from LES; GH, geniohyoideus; TH, thyrohyoideus; CP, cricopharyngeus; IA, intraarytenoideus; CT, cricothyroideus. (Source: Lang et al.,112 with permission of the American Physiological Society.)
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