where is the esophagus located?
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The esophagus. The esophagus is a hollow, muscular tube that connects the throat to the stomach. It lies behind the trachea (windpipe) and in front of the spine.
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The lungs are housed in the chest cavity, a space that also includes the mediastinum. (See also Overview of the Respiratory System.) The mediastinum is in the center of the chest and contains the heart, thymus, and lymph nodes, along with portions of the aorta, vena cava, trachea, esophagus, and various nerves.
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The digestive system is partitioned into many regions, each with a certain function. The digestive system consists of the pharynx, the esophagus, the crop, the intestine and the gizzard. Food such as soil enters the earthworm's mouth where it is swallowed by the pharynx.
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In the digestive system, this tissue type is found on upper surface of the tongue, the hard palate of the mouth, the esophagus and anus. It is also common in the female reproductive system and is seen in the vagina, cervix, and labia majora.
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Gastroesophageal junction adenocarcinoma is a rare type of cancer of the esophagus, the tube that connects your mouth and stomach. It starts in the gastroesophageal (GE) junction, the area where the esophagus and stomach join together.
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Regional lymph nodes (N), which are found in the adventitia (periesophageal tissue) from the upper esophageal sphincter to the celiac artery, are clarified in a new map (Fig. 2). The seventh edition map was problematic because it included lung lymph node stations, some of which were not regional esophageal nodes.
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The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus. An adult's digestive tract is about 30 feet (about 9 meters) long. Digestion begins in the mouth, well before food reaches the stomach.
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Tonsils are lymphoid nodules located along the inner surface of the pharynx and are important in developing immunity to oral pathogens (Figure 18.7). The tonsil located at the back of the throat, the pharyngeal tonsil, is sometimes referred to as the adenoid when swollen.
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Gastroesophageal reflux disease (GERD) GERD is when the contents of your stomach move back up into your esophagus. This can cause a painful, burning sensation called heartburn in the middle of your chest. Pain may happen when you swallow or shortly after eating.
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The larynx, or voice box, is located in the neck and performs several important functions in the body. The larynx is involved in swallowing, breathing, and voice production. Sound is produced when the air which passes through the vocal cords causes them to vibrate and create sound waves in the pharynx, nose and mouth.
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['3.1. Cervical esophagus. Cervical esophagus starts at inferior margin of cricoid cartilage that corresponds to corpus of 6th cervical vertebra. ... ', '3.2. Thoracic esophagus. ... ', '3.3. Abdominal esophagus.']
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Location of the liver. The liver is located under the ribs on the right hand side of the body. It lies just below the lungs, under the top of the diaphragm to which it is attached. The diaphragm is the muscle beneath the lungs which regulates our breathing.
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The esophagus is the tube that connects the throat to the stomach. The trachea is the tube that connects the throat to the windpipe and lungs. Normally, the esophagus and trachea are two tubes that are not connected. This problem is also called TE fistula or TEF.
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Reflux esophagitis. This is an inflammation of the lining of the esophagus caused by chronic exposure to stomach acid. Besides heartburn, people with esophagitis may feel a gnawing pain behind the breastbone that may spread to the back and neck. The esophagus may develop ulcers, which can bleed and cause severe pain.
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Normally, a muscular valve at the lower end of the esophagus, the lower esophageal sphincter (LES), keeps the acid solution in the stomach and out of the esophagus. Smoking decreases the strength of the LES, thereby allowing stomach acids to reflux, or flow backward into the esophagus.
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A cricopharyngeal spasm is a type of muscle spasm that occurs in your throat. Also called the upper esophageal sphincter (UES), the cricopharyngeal muscle is located at the top part of the esophagus. As part of your digestive system, the esophagus helps digest food and prevent acids from creeping up from the stomach.
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If your esophageal cancer has narrowed your esophagus, a surgeon may use an endoscope and special tools to place a metal tube (stent) to hold the esophagus open. Other options include surgery, radiation therapy, chemotherapy, laser therapy and photodynamic therapy.