lower esophageal sphincter

low·er e·soph·a·ge·al sphinc·ter (LES),

musculature of the gastroesophageal junction that is tonically active except during swallowing.

lower esophageal sphincter

n. A ring of smooth muscle fibers at the junction of the esophagus and stomach. Also called cardiac sphincter, gastroesophageal sphincter.

lower esophageal sphincter

A 3-5 cm in length zone of ↑ pressure at the junction of the distal esophagus with the gastric cardia, located at the hiatus, which forms a physical barrier in preventing gastric reflux; substances that ↑ the LES tone include gastrin, acetylcholine, serotonin, PGF_{2 a}, motilin, substance P, histamine, pancreatic polypeptide

low·er e·soph·a·ge·al sphinc·ter

(LES) (lō'ěr es-ō-fa'jē-ăl sfingk'tĕr) Musculature of the gastroesophageal junction that is tonically active except during swallowing.

单词	lower esophageal sphincter
释义	lower esophageal sphincter lower esophageal sphincter n. A ring of smooth muscle fibers at the junction of the esophagus and stomach. Also called cardiac sphincter, gastroesophageal sphincter. EncyclopediaSeecardia lower esophageal sphincter low·er e·soph·a·ge·al sphinc·ter (LES), musculature of the gastroesophageal junction that is tonically active except during swallowing. lower esophageal sphincter n. A ring of smooth muscle fibers at the junction of the esophagus and stomach. Also called cardiac sphincter, gastroesophageal sphincter. lower esophageal sphincter A 3-5 cm in length zone of ↑ pressure at the junction of the distal esophagus with the gastric cardia, located at the hiatus, which forms a physical barrier in preventing gastric reflux; substances that ↑ the LES tone include gastrin, acetylcholine, serotonin, PGF_{2 a}, motilin, substance P, histamine, pancreatic polypeptide low·er e·soph·a·ge·al sphinc·ter (LES) (lō'ěr es-ō-fa'jē-ăl sfingk'tĕr) Musculature of the gastroesophageal junction that is tonically active except during swallowing. AcronymsSeelake effect snow
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