However, if elevated by an obstacle (stable constriction), it retracts all the pharyngeal walls and amplifies snoring loudness indirectly by increasing pharyngeal narrowing and/or possibly causes ...

Under these circumstances, the pharyngeal response follows each swallow, but the esophagus remains inhibited until the last swallow that is followed by peristaltic contraction.

SARS-CoV-2–Positive Sputum and Feces After Conversion of Pharyngeal Samples in Patients With COVID-19. Annals of Internal Medicine, 2020; DOI: 10.7326/M20-0991 ...