Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The anterior part of the embryonic digestive tract of a vertebrate from which the pharynx, lungs, esophagus, stomach, liver, pancreas, and duodenum develop.
  • noun The first part of the digestive tract of an arthropod or annelid, which includes the buccal cavity, esophagus, crop, and gizzard.

from The Century Dictionary.

  • noun See gut.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) The anterior part of the alimentary canal, from the mouth to the intestine, or to the entrance of the bile duct.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy The anterior part of the alimentary canal of an embryo, from the mouth to the duodenum

Etymologies

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Examples

  • At a point about one-third of the length of the embryo from the tip of the head, the enteron opens to the yolk-sac, so that what now may be called the foregut has this considerable extent.

    Development of the Digestive Canal of the American Alligator C. M. [Illustrator] Reese

  • Her lab studies the development of the pharynx (or foregut) in the nematode C. elegans in order to better understand the formation and physiology of organs.

    Women Scientist win MacArthur "Genius" Fellowships Peggy 2008

  • Her lab studies the development of the pharynx (or foregut) in the nematode C. elegans in order to better understand the formation and physiology of organs.

    Archive 2008-09-01 Peggy 2008

  • Based predominantly on the morphology of the carpometacarpus, some ornithologists have proposed that cariamaens are closely related to the Hoatzin* Opisthocomus hoazin**, that bizarre folivorous, arboreal bird that (uniquely among birds) practices foregut fermentation.

    Archive 2006-11-01 Darren Naish 2006

  • Based predominantly on the morphology of the carpometacarpus, some ornithologists have proposed that cariamaens are closely related to the Hoatzin* Opisthocomus hoazin**, that bizarre folivorous, arboreal bird that (uniquely among birds) practices foregut fermentation.

    Giant hoatzins of doom Darren Naish 2006

  • Figure 4H is seventy-nine sections posterior to the last, and passes through the foregut, _ent_, just cephalad to the anterior intestinal portal and caudad to the heart.

    Development of the Digestive Canal of the American Alligator C. M. [Illustrator] Reese

  • Followed cephalad, towards the posterior intestinal portal, it gradually diminishes in caliber, as did the foregut on approaching the anterior intestinal portal.

    Development of the Digestive Canal of the American Alligator C. M. [Illustrator] Reese

  • A sagittal section of approximately this stage, shown in figure 1A, represents the foregut, _fg_, as a shallow enclosure of the anterior region of the entoderm, while the wide blastopore, _blp_, connects the region of the hindgut with the exterior.

    Development of the Digestive Canal of the American Alligator C. M. [Illustrator] Reese

  • Fore-intestine: = foregut, q.v. Forficate: = forcipate, q.v. Forks: Trichoptera; forks of veins in apical part of wing, numbered 1, 2, 3, etc.

    Explanation of Terms Used in Entomology John. B. Smith

  • The foregut is here more inclosed, and the notochord, _nt_, having separated from the entoderm, _en_, is seen as a distinct layer of cells extending from the foregut to the blastopore.

    Development of the Digestive Canal of the American Alligator C. M. [Illustrator] Reese

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