foregut


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foregut

 [for´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

(fōr'gŭt),
The cephalic portion of the primordial 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.
Synonym(s): headgut

foregut

(fôr′gŭt′)
n.
1. The anterior part of the embryonic digestive tract of a vertebrate from which the pharynx, lungs, esophagus, stomach, liver, pancreas, and duodenum develop.
2. The first part of the digestive tract of an arthropod or annelid, which includes the buccal cavity, esophagus, crop, and gizzard.

fore·gut

(fōr'gŭt)
The cephalic endodermal portion of the primordial digestive tube in the embryo. From it 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.
References in periodicals archive ?
The most distal (anterior) area of the larval foregut in late-stage larvae remained as a uniformly ciliated funnel extending inward from the larval mouth (Fig.
Dissection, illustration and description of the foregut After dissection, the individuals were placed in slides with ethyl alcohol 70% + glycerol (1:1).
TNM staging of foregut (neuro)endocrine tumors: a consensus proposal including a grading system.
Generally, wet digesta load in the reticulo-rumen, omasum and abomasum were 92.2%, 4.1%, and 3.7% of the total foregut wet digesta load, respectively, for sheep fed on IRQ.
He placed particular emphasis on the foregut and hindgut hypotheses.
The most common middle mediastinal masses in children are foregut duplication cysts.
The approval is for adult patients with somatostatin receptor-positive GEP-NETs and it includes conditions such as foregut, midgut, and hindgut neuroendocrine tumours.
Novartis announced that Advanced Accelerator Applications, a subsidiary of Novartis Groupe S.A., has received US Food and Drug Administration approval of its new drug application for Lutathera for the treatment of somatostatin receptor positive gastroenteropancreatic neuroendocrine tumors, including foregut, midgut, and hindgut neuroendocrine tumors, in adults.
These changes are believed to take place within minutes of the RYGB surgery being performed and are considered as triggering gears that activate a multitude of subsequent downstream mechanisms (hindgut, foregut, and midgut theories), which might account for why glycaemic improvements are observed independent of any weight loss occurring.
A lateral cervical cyst in a neonate has several differential diagnoses, including PSF, lateral cervical cyst, branchial cyst, bronchogenic cyst, vascular malformation and thymic cyst, foregut duplication cyst, and external laryngocele [1].
During normal embryologic development, the foregut divides into ventral and dorsal components, which go on to form the trachea and esophagus, respectively [1].
Bronchogenic cysts are uncommon congenital defects originating from sequestration of the ventral foregut, the antecedent of the tracheobronchial tree [1].