Esophageal sphincter

Esophageal sphincter

The term esophageal sphincter refers to one of two sphincters that are part of the esophagus:

  • lower esophageal sphincter (also called cardiac sphincter or gastroesophageal sphincter) which leads into the cardia.
  • upper esophageal sphincter (also called pharyngoesophageal sphincter) within the hypopharynx

Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Upper esophageal sphincter — Infobox Anatomy Name = Upper esophageal sphincter Latin = GraySubject = GrayPage = Caption = Muscles of the pharynx and cheek. (Constrictor pharyngis inferior visible at bottom left.) Caption2 = Sagittal section of nose mouth, pharynx, and larynx …   Wikipedia

  • lower esophageal sphincter — noun The sphincter situated at the lower part of the esophagus. Syn: cardiac sphincter, gastroesophageal sphincter, esophageal sphincter …   Wiktionary

  • [o]esophageal sphincter — lower [o]esophageal sphincter (pressure) …   Medical dictionary

  • esophageal sphincter lower — (LES) the terminal few centimeters of the esophagus, near the esophagogastric junction, which prevents reflux of gastric contents into the esophagus. Called also cardiac, cardioesophageal, or gastroesophageal s …   Medical dictionary

  • esophageal sphincter upper — (UES) the upper 3 to 5 cm of the esophagus, including the cricopharyngeal muscle, which prevents the aspiration of air from the pharynx into the esophagus …   Medical dictionary

  • Esophageal dysphagia — arises from the body of the esophagus, lower esophageal sphincter, or cardia of the stomach. Usually due to mechanical causes or motility problems.cite web |url=http://www.aafp.org/afp/20000415/2453.html |title=Evaluation and Treatment of… …   Wikipedia

  • Esophageal motility study — Intervention Diagram of esophageal motility study in nutcracker esophagus. The disorder shows peristalsis with high pressure esophageal contractions exceeding 180 mmHg and contractile waves with a long duration exceeding 6 seconds …   Wikipedia

  • Esophageal stricture — Classification and external resources Endoscopic image of a benign peptic stricture ICD 10 K …   Wikipedia

  • Esophageal web — Classification and external resources ICD 10 Q39.4 …   Wikipedia

  • upper esophageal sphincter — noun The sphincter situated at the upper part of the esophagus …   Wiktionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”