Esophagus

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esophagus

 [ĕ-sof´ah-gus]
the musculomembranous passage extending from the pharynx to the stomach, 25 to 30 cm (10 to 12 in) long in an adult, consisting of an outer fibrous coat, a muscular layer, a submucous layer, and an inner mucous membrane. The junction between the stomach and esophagus is closed by a muscular ring known as the cardiac sphincter, which opens to allow the passage of food into the stomach. See also digestive system and Plates.
Disorders of the Esophagus. The most common disorders of the esophagus often involve either an obstruction or a backward flow of food and gastric juice (gastroesophageal reflux). Foreign bodies, accidentally swallowed and lodged in the esophageal passage, can obstruct the flow of foods and fluids, as can malignant or benign tumors. The term achalasia is used to describe a particular disturbance in motility which leads to obstruction at the level of the cardiac sphincter.

Esophagitis, inflammation of the mucous membrane lining the esophagus, may occur in conjunction with gastroenteritis or as a result of reflux of gastric contents into the esophagus. The symptoms of hiatal hernia are due in large part to this type of reflux. Hiatal hernia is a protrusion of the stomach, colon, or other intestinal organs through the esophageal hiatus, a narrow opening in the diaphragm through which the esophagus normally passes. When the herniation occurs the normal downward passage of food is interrupted.

Esophageal varices are varicose veins of the esophagus and occur most often as a result of obstruction in the portal circulation, especially in portal hypertension. They are potentially dangerous since they tend to rupture easily and may result in serious hemorrhage. Visual examination of the interior lining of the esophagus is accomplished by esophagoscopy.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

e·soph·a·gus

, pl.

e·soph·a·gi

(ĕ-sof'ă-gŭs, -jī), [TA]
The portion of the alimentary canal between the pharynx and stomach. It is about 25-cm long and consists of three parts: the cervical part, from the cricoid cartilage to the thoracic inlet; the thoracic part, from the thoracic inlet to the diaphragm; and the abdominal part, below the diaphragm to the cardiac opening of the stomach.
[G. oisophagos, gullet]
Farlex Partner Medical Dictionary © Farlex 2012

esophagus

also

oesophagus

(ĭ-sŏf′ə-gəs)
n. pl. esopha·gi (-jī′, -gī′)
The muscular tube by which food passes from the pharynx to the stomach; the gullet.

e·soph′a·ge′al (-jē′əl) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

oesophagus

The tubular segment of the upper gastrointestinal tract which connects the mouth with the stomach, spelled oesophagus in the UK and esophagus in the US.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

esophagus

See Esophageal etc.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

e·soph·a·gus

, pl. esophagi (ĕ-sof'ă-gŭs, -jī) [TA]
The portion of the digestive canal between the pharynx and stomach. It is about 25 cm long and consists of three parts: the cervical, from the cricoid cartilage to the thoracic inlet; the thoracic, from the thoracic inlet to the diaphragm; and the abdominal, below the diaphragm to the cardiac opening of the stomach.
Synonym(s): oesophagus.
[G. oisophagos, gullet]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

esophagus

(e-sof'a-gus) (-gi?, -ji?) plural.esophagi [Gr. oisophagos]
Enlarge picture
ESOPHAGUS: (as seen through an endoscope)
The muscular tube, about 10 to 12 in (25 to 30 cm) long, that carries swallowed foods and liquids from the pharynx to the stomach. In the upper third of the esophagus, the muscle is striated; in the middle third, striated and smooth; and in the lower third, entirely smooth. Peristalsis is regulated by the autonomic nervous system. At the junction with the stomach is the lower esophageal sphincter, which relaxes to permit passage of food, then contracts to prevent backup of stomach contents. esophageal (e-sof?a-je'al), adjective See: illustration

Barrett esophagus

See: Barrett esophagus

black esophagus

Necrotizing esophagitis.
Enlarge picture
FOREIGN BODY IN ESOPHAGUS: Meat impaction in the lower esophageal sphincter

foreign bodies in the esophagus

Items trapped in the esophagus (typically fishbones, coins, or large unchewed pieces of food). Parenteral glucagon may help the material pass through the esophageal sphincter to the stomach, but endoscopic retrieval of the material is usually necessary. See: illustration
Medical Dictionary, © 2009 Farlex and Partners

Esophagus

The tube connecting the throat to the stomach, which is about ten inches long in adults. It is coated with mucus and surrounded by muscles, and pushes food to the stomach by sequential waves of contraction. It functions to transport food from the throat to the stomach and to keep the contents of the stomach in the stomach.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

e·soph·a·gus

, pl. esophagi (ĕ-sof'ă-gŭs, -jī) [TA]
Portion of alimentary canal between pharynx and stomach. It is about 25-cm long and consists of three parts: the cervical part, from the cricoid cartilage to the thoracic inlet; the thoracic part, from the thoracic inlet to the diaphragm; and the abdominal part, below the diaphragm to the cardiac opening of the stomach.
[G. oisophagos, gullet]
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about Esophagus

Q. do we need the esophagus to live? If we were to take our esophagus away would we still live?

A. Principally, yes. Feeding can be done through a hole in the stomach (PEG). Life is possible this way, although one may argue about the quality of life in this situation.

Q. Cn barret esophagous be cured? I was diagnosed with barretts esophagus several years ago, and so far keeps on the routine follow up. I met some other guy with same condition and he told after his doctor prescribed him with some anti-reflux meds, in the last endoscopy they found normal esophagus, and that he thinks he's now cured. Is that possible?

A. Anti-reflux treatment may lower the risk of cancer a little, but it won't cure it, so there's still a need for refular follow-up.

More discussions about Esophagus
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References in periodicals archive ?
"Over time, weaker contractions in the esophagus can lead to acid reflux and the sensation of heartburn," says Kevin Ghassemi, MD, UCLA Center for Esophageal Disorders. "The acid itself can injure the esophagus and lead to other complications."
Survey and contrast radiographs have a value in diagnosis of various esophageal disorders in cattle as reported by Haven (1990).
Chapters are: dysphagia unplugged; normal swallowing in adults; adult neurologic disorders; dysphagia and head and neck cancer; esophageal disorders; respiratory and iatrogenic disorders; clinical evaluation of adults; imaging swallowing examinations; treatment considerations, options, and decisions; treatment for adults; ethical considerations; typical feeding and swallowing development in infants and children; disorders affecting feeding and swallowing in infants and children; evaluating feeding and swallowing in infants and children; treatment of feeding and swallowing difficulties in infants and children.
Chapters cover inflammatory bowel disease, esophageal disorders, rumination and cyclic vomiting syndrome, recurrent abdominal pain, irritable bowel syndrome, and defecation disorders.
When compared to the population as a whole, there was an increase in esophageal disorders in offspring of women with the breast implants.
"It can interfere with your normal diet by restricting food intake and keep seniors from getting the nutrients they need," says Kevin Ghassemi, MD, of the Center for Esophageal Disorders at the UCLA School of Medicine.
The Rome II committee for functional esophageal disorders defined functional heartburn as an episodic retrosternal burning in the absence of pathologic GERD, pathology-based motility disorders, or structural explanations [12].
Chapters are divided among preoperative, perioperative, and postoperative considerations; and characteristics, clinical features, diagnosis, and treatment of esophageal disorders, hernias, and disorders of the stomach and duodenum, small and large intestines, bowel, rectum and anus, pancreas, liver, biliary tree and gallbladder, spleen, lung, and vascular system.
The specialty encompasses cosmetic facial reconstruction, surgery of benign and malignant tumors of the head and neck, management of patents with loss of hearing and balance, endoscopic examination of air and food passages, and treatment of allergic, sinus, laryngeal, thyroid and esophageal disorders.
The specialty encompasses cosmetic facial reconstruction, surgery of benign and malignant tumors of the head and neck management of patients with loss of hearing and balance, endoscopic examination of air and food passages and treatment of allergic, sinus, laryngeal, thyroid and esophageal disorders.

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