Assertion: esophagus's sphincter | /r/MadeOf | smooth muscle
Facets:
value: entirely
type: DEGREE
Source sentences:
text: It also has a lower esophageal sphincter, made of smooth muscle, which controls the passage of food from the esophagus to the stomach.
text: The lower esophageal sphincter (LES) is composed entirely of smooth muscle and maintains a steady baseline tone to prevent gastric reflux into the esophagus.
text: It also has a lower esophageal sphincter, made of smooth muscle, which controls the passage of food from the esophagus to the stomach.
text: It also has a lower esophageal sphincter, made of smooth muscle, which controls the passage of food from the esophagus to the stomach.
text: It also has a lower esophageal sphincter, made of smooth muscle, which controls the passage of food from the esophagus to the stomach.
text: It also has a lower esophageal sphincter, made of smooth muscle, which controls the passage of food from the esophagus to the stomach.
text: The internal anal sphincter is made of smooth muscle, and its contractions are involuntary.