foregut

foregut
The cephalic portion of the primitive digestive tube in the embryo. From its endoderm arises the epithelial lining of the pharynx, trachea, lungs, esophagus, and stomach, the first part and cranial half of the second part of the duodenum, and the parenchyma of the liver, gallbladder, and pancreas. SYN: headgut.

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fore·gut -.gət n
1) the anterior part of the alimentary canal of a vertebrate embryo that develops into the pharynx, esophagus, stomach, and extreme anterior part of the intestine
2) the anterior part of the definitive alimentary canal of an invertebrate animal

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n.
the front part of the embryonic gut, which gives rise to the oesophagus (gullet), stomach, and part of the small intestine (from which the liver and pancreas develop).

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fore·gut (forґgət) 1. the endodermal canal of the embryo cephalic to the junction of the yolk stalk; it gives rise to the pharynx, lung, esophagus, stomach, liver, and part of the duodenum. 2. the anterior, chitin-lined, ectodermal portion of the alimentary tract of invertebrates, such as arthropods; it usually comprises a pharynx, crop, and proventriculus.

Medical dictionary. 2011.

См. также в других словарях:

  • Foregut — Fore gut , n. (Anat.) The anterior part of the alimentary canal, from the mouth to the intestine, or to the entrance of the bile duct. [1913 Webster] …   The Collaborative International Dictionary of English

  • foregut — [fôr′gut΄] n. the front part of the alimentary canal in vertebrate embryos: the duodenum, stomach, esophagus, pharynx, etc. develop from it …   English World dictionary

  • foregut — See: stomodaeum [Martin, 2005]. Anterior cuticle lined region of digestive tract comprising esophagus, cardiac stomach, and anterior half of pyloric stomach. (Syn. stomodeum, stomodaeum) See: hindgut, midgut [Stachowitsch, 1992]. See: stomodeum… …   Crustacea glossary

  • Foregut — Infobox Embryology Name = PAGENAME Latin = GraySubject = 241 GrayPage = 1101 Caption = Diagram showing the expansion of amnion and delimitation of the umbilicus. Caption2 = Termination of the foregut. System = CarnegieStage = 9 Precursor =… …   Wikipedia

  • foregut — noun Date: circa 1889 the anterior part of the alimentary canal of a vertebrate embryo that develops into the pharynx, esophagus, stomach, and extreme anterior part of the intestine …   New Collegiate Dictionary

  • foregut — anterior part of the larval gut from which the stomach and oesophagus develop …   Dictionary of ichthyology

  • foregut — n. [A.S. for, fore; gut, channel] The anterior portion of the alimentary tract, from the mouth to the midgut; see stomodeum …   Dictionary of invertebrate zoology

  • foregut — /fawr gut , fohr /, n. 1. Zool. a. the first portion of the vertebrate alimentary canal, extending from the pharynx and esophagus to the end of the stomach or gizzard and, in some animals, the anterior duodenum, functioning in the ingestion,… …   Universalium

  • foregut — noun The anterior part of the alimentary canal of an embryo, from the mouth to the duodenum …   Wiktionary

  • foregut — n. upper digestive tract (Anatomy) …   English contemporary dictionary


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