Assertion: esophagus's muscle | /r/HasProperty | . 9.1
Facets:
Source sentences:
text: This is separated from the submucosa by a muscularis mucosa, consisting of a smooth muscle and elastic fiber layer, which may serve to reduce the excursion of the luminal lining mucosa as a result of the contractions of the external esophageal muscle, consisting of circular and transverse layers of striated or smooth muscle (Fig. 9.1).