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foregut

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foregut /fore·gut/ (-gut) the endodermal canal of the embryo cephalic to the junction of the yolk stalk, giving rise to the pharynx, lung, esophagus, stomach, liver, and most of the small intestine.
fore·gut (fôrgt)
n.
The anterior part of the embryonic alimentary canal of a vertebrate from which the pharynx, lungs, esophagus, stomach, liver, pancreas, and duodenum develop.

foregut
[fôr′gut]
Etymology: AS, fore, in front, guttas
the cephalic portion of the embryonic alimentary canal. It consists of endodermal tissue and gives rise to the pharynx, esophagus, stomach, liver, pancreas, most of the small intestine, and respiratory ducts. Compare hindgut, midgut.

foregut
the endodermal canal of the embryo cephalic to the junction of the yolk stalk, giving rise to the pharynx, lung, esophagus, stomach, liver and most of the small intestine.


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Given the extent of the fluid collection, our differential diagnosis included a retropharyngeal abscess with danger-space extension along with an infection of a developmental anomaly, such as a foregut duplication cyst, lymphangioma, or thymic cyst.
The transition of the lungs from a simple protruding bud of tissue from the foregut into a highly organized, integrated, complex structure that is innervated, ventilated, and vascularized is a multi-step process.
Their diet of leaves lets bacteria thrive in their foregut.
 
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