Figure 5 - Proposed network circuit controlling the esophageal stage of swallowing.

Ach – acetylcholine; AMB_c – compact formation of nucleus ambiguus; GABA - -aminobutyric acid; GEJ – gastroesophageal junction; IGLEs – intraganglionic laminar endings; LCNs – local circuit neurons; LMM – lamina muscularis mucosae; NTS – nucleus tractus solitarii; NTS_ce – central subnucleus; NTS_int/is – intermediate and interstitial subnucleus; RF_iz – reticular formation intermediate zone; RLN – recurrent laryngeal nerve; SLN – superior laryngeal nerve; TMP – tunica muscularis propria; X_th – vagus nerve