THIRD SPHINCTER Meaning and
Definition
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The term "third sphincter" refers to a hypothetical muscular ring or valve situated within the human body, specifically in reference to the digestive system. It is important to note that the concept of a "third sphincter" is not widely recognized or accepted within conventional medical literature and anatomy texts. Instead, it is mainly used colloquially or in unconventional discussions involving alternative theories of human anatomy.
In traditional anatomy, the human body is acknowledged to possess two well-defined sphincters. The first sphincter is known as the upper esophageal sphincter, located at the top of the esophagus, which helps regulate the passage of food from the mouth to the esophagus. The second sphincter is called the lower esophageal sphincter, found at the entrance of the stomach. This sphincter prevents the backflow of stomach acid into the esophagus.
The concept of a "third sphincter" suggests the existence of an additional muscular ring within the digestive tract, presumably positioned in the lower gastrointestinal region. However, it is crucial to reiterate that this notion lacks scientific validation and mainstream recognition. Therefore, further research and medical consensus are required to evaluate if a legitimate third sphincter exists.
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Plica transversalis recti.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for THIRD SPHINCTER
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