Lenght of an adult s esophagus
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Through swallowing, the epiglottis tilts backwards to prevent eats from going down the larynx and lungs. The wall of the throat from the lumen away from consists of mucosa Precision, submucosa connective tissue Lettered, layers of muscle fibers between layers of stringy tissue , and an outer layer of connective tissue.
The mucosa is a stratified squamous epithelium of around three layers of squamous cells, which contrasts to the distinct layer of columnar cells of the stomach. The transition between these two types of epithelium is visible as a zig-zag line. Most of the muscle is smooth force although striated muscle predominates in its upper third.
It has two husky rings or sphincters stylish its wall, one by the side of the top and unified at the bottom. The lower sphincter helps towards prevent reflux of acid stomach content. The throat has a rich blood supply and venous drainage.
Its smooth muscle is innervated by involuntary nerves sympathetic nerves via the sympathetic trunk and parasympathetic nerves via the vagus nerve and in appendage voluntary nerves lower sports car neurons which are carried in the vagus the whim-whams to innervate its striated muscle.
The oesophagus may possibly be affected by gastric reflux , cancer Sui generis, prominent dilated blood vessels called varices that preserve bleed heavily, tears Established, constrictions, and disorders of motility. Real girls with dicks.
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- Zhonghua Wai Ke Za Zhi. Jul;27(7), [Measurement of the length of the adult esophagus using a fiberogastroscope: cases]. [Article in.
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Adult an esophagus of lenght s The esophagus is a long, thin, and muscular tube that connects the pharynx throat to the stomach. It forms an important piece of the gastrointestinal tract and functions as the conduit for food and liquids that have been swallowed into the pharynx to reach the stomach. The esophagus is about inches 25 centimeters long and less than an inch 2 centimeters in diameter when relaxed. It is located just posterior to the trachea in the neck and thoracic regions of the body and passes through the esophageal hiatus of the diaphragm on its way to the stomach. At the superior end of the esophagus is the upper esophageal sphincter that keeps the esophagus closed where it meets the pharynx. The upper esophageal sphincter opens only during the process of swallowing to permit food to pass into the esophagus. At the inferior end of the esophagus, the lower esophageal sphincter opens for the purpose of permitting food to pass from the esophagus into the stomach.
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