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Encyclopedia > Rugae
Stomach.
Stomach.

Rugae is a term used in anatomy that refers to a series of ridges produced by folding of the wall of an organ. Most commonly the term is applied to the internal surface of the stomach. The stomach rugae may be seen during esophagogastroduodenoscopy or in radiological studies. They provide the stomach with a higher amount of surface area for food. When food enters the stomach, these rugae unfold and become stretched out. Like Gorillas Image File history File links Illu_stomach2. ... Image File history File links Illu_stomach2. ... Human heart and lungs, from an older edition of Grays Anatomy. ... In biology, an organ (Latin: organum, instrument, tool) is a group of tissues that perform a specific function or group of functions. ... In anatomy, the stomach is a bean-shaped hollow muscular organ of the gastrointestinal tract involved in the second phase of digestion, following mastication. ... Endoscopic still of esophageal ulcers seen after banding of esophageal varices, at time of esophagogastroduodenosocopy In medicine (gastroenterology), esophagogastroduodenoscopy is a diagnostic endoscopic procedure that visualises the upper part of the gastrointestinal tract up to the duodenum. ...


Other locations that rugae appear in humans:


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G - Wikipedia, the free encyclopedia (1486 words)
The recorded originator of the letter G is Spurius Carvilius Ruga, the first Roman to open a fee-paying school, who taught around 230 BC:
Ruga amended the Latin script by replacing the seventh letter, Z, which represented the unneeded Greek sound /dz/, with a C modified with a stroke.
Sampson (1985) suggested that: "Evidently the order of the alphabet was felt to be such a concrete thing that a new letter could be added in the middle only if a 'space' was created by the dropping of an old letter." Alphabet order was also connected with Greek numerals, which may have governed its importance.
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