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

/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.

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.

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.

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.

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.
References in periodicals archive ?
The foreguts were removed and transferred to another slice where, they were stained with aqueous solution of metilene blue 1%.
The foreguts were observed in lateral, dorsal and ventral view, and illustrated in right lateral view aided by a micrometer scale.
vannamei were not investigated in this study, because according to Lovett and Felder (1989) the individuals lacked foregut in this stage.
Blue crab %FRE %VOL Number of nonempty foreguts 328 Plant material 1.
Crabs, 1286 in total, were sub-sampled for dietary analysis, and the dominant prey taxa for all crabs, by volume of foregut contents, were mollusks and crustaceans.
N sampled in the guts must not have been strongly influenced by N excretion into the digestive tract, for example in the form of digestive enzymes, since these should have an N signal closer to the fish bodies than to the fish foreguts.
The foregut as defined here should be composed of ingesta and fish-derived material including digestive enzymes.
Furthermore, we related the nutrient composition of the partially digested matter in the hindgut to the material in the foregut to see if there was evidence for homeostatic regulation by altered digestion.
Why did the hoatzin develop a foregut in the first place?
Leaf-eating did not happen overnight," Strahl told SCIENCE NEWS, adding that some fossil evidence indicates the hoatzin may have originated in the Eocene epoch, predating mammal foregut fermenters.
Small crustaceans were frequent and predominant in the foreguts of O.
The predominance of peracarid crustaceans in the foreguts of the crabs suggests that O.