WordNet

bear to eat; "He cannot stomach raw fish"
an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion (同)tummy, tum, breadbasket
an appetite for food; "exercise gave him a good stomach for dinner"
an inclination or liking for things involving conflict or difficulty or unpleasantness; "he had no stomach for a fight"
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass (同)stomate, pore
a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
divided into or containing two cells or chambers; "having a bilocular capsule" (同)biloculate

PrepTutorEJDIC

〈C〉『胃』 / 〈C〉《話》『腹』,腹部(abdomen) / 〈U〉《しばしばa~》(…に対する)食欲《+『for』+『名』》 / 〈U〉《+『for』+『名』》・腹に入れる; 食べる, 消化する; 何とか我慢して飲み下す; （侮辱などを）がまんする
気孔(葉・茎の表皮にあって気体の出入りに役立つ小さな穴)

UpToDate Contents

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1. 消化器病学における臨床病理学的症例：胃 clinical pathological cases in gastroenterology stomach
2. 胃癌の危険因子 risk factors for gastric cancer
3. 胃ポリープ gastric polyps
4. 胃排出遅延の原因 pathogenesis of delayed gastric emptying
5. 胃部分切除術および消化管再建術 partial gastrectomy and gastrointestinal reconstruction

English Journal

Effects of anatomy and diet on gastrointestinal pH in rodents.

Kohl KD1, Stengel A, Samuni-Blank M, Dearing MD.Author information 1Department of Biology, University of Utah, Salt Lake City, Utah 84112, USA. kevin.kohl@utah.eduAbstractThe pH of the gastrointestinal tract can have profound influences on digestive processes. Rodents exhibit wide variation in both stomach morphology and dietary strategies, both of which may influence gut pH. Various rodent species have evolved bilocular (or semi-segmented) stomachs that may allow for more microbial growth compared to unilocular (single-chambered) stomachs. Additionally, herbivory has evolved multiple times in rodents. The high dietary fiber typical of an herbivorous diet is known to induce secretion of bicarbonate in the gut. We predicted that stomach segmentation might facilitate the separation of contents in the proximal chamber from that of the gastric stomach, facilitating a chemical environment suitable to microbial growth. To investigate the effect of stomach anatomy and diet on gut pH, several species of rodent with varying stomach morphology were fed either a high or low-fiber diet for 7 days, and pH of the proximal stomach, gastric stomach, small intestine, and cecum were measured. We discovered that rodents with bilocular stomach anatomy maintained a larger pH gradient between the proximal and gastric stomach compartments, and were able to achieve a lower absolute gastric pH compared to those with unilocular stomachs. Dietary fiber increased the pH of the small intestine, but not in any other gut regions. The stomach pH data supports the century old hypothesis that bilocular stomach anatomy creates an environment in the proximal stomach that is suitable for microbial growth. Additionally, the alkaline small intestinal pH on a high fiber diet may enhance digestion.
Journal of experimental zoology. Part A, Ecological genetics and physiology.J Exp Zool A Ecol Genet Physiol.2013 Apr;319(4):225-9. doi: 10.1002/jez.1786. Epub 2013 Mar 4.
The pH of the gastrointestinal tract can have profound influences on digestive processes. Rodents exhibit wide variation in both stomach morphology and dietary strategies, both of which may influence gut pH. Various rodent species have evolved bilocular (or semi-segmented) stomachs that may allow fo
PMID 23460608

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