saliva
It lubricates the esophagus and assists in swallowing.
Barrett's esophagus is a complication of gastroesophageal reflux disease. In Barrett's esophagus, normal tissue lining the esophagus changes to tissue that resembles the lining of the intestine. This condition primarily occurs in white men.
The epidermis is the outer layer of the skin, while the inner lining of the esophagus is a mucous membrane that lines the tube connecting the throat to the stomach. The epidermis is keratinized and designed to protect the body from the external environment, while the inner lining of the esophagus secretes mucus to facilitate food passage.
Because the stomach has a lining which protects it. Eventually if the acid continues to be produced then it too will have a negative effect such as an ulcer. The esophagus is a thin tube which does not have a lining.
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Gastroesophageal Reflux DiseaseGastro Esophagus Reflux DiseaseGERD stands for gastroesophageal reflux disease.
Acid reflux messes up the lining in your esophagus.
If left untreated for a long period of time, the acid produced in severe cases of acid reflux (also known as GERD, or gastroesophageal reflux disease) can damage the soft tissue inside the throat and the esophagus. For more information, here is a great resource: http://www.webmd.com/heartburn-gerd/default.htm
Propulsion of the esophagus is just a term for the way the cilia within the mucus lining of the esophagus move food down it into the stomach. You could swallow upside-down because of this.
muscles lining the esophagus move in a wavelike motion, oushing the food through the esophagus and into the stomach
Mucus is secreted in the esophagus to provide lubrication and protect the lining from acidic stomach contents that may reflux back into it.
The acid burns through the lining of the esophagus. It is sometimes called Heartburn.