foregut
(noun)
The anterior part of the alimentary canal of an embryo, from the mouth to the duodenum.
Examples of foregut in the following topics:
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Development of Metabolism
- During fetal life, the primitive gut can be divided into three segments: foregut , midgut , and hindgut.
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Digestive System Development
- During fetal life, the primitive gut can be divided into three segments: foregut, midgut, and hindgut.
- The foregut is the esophagus to the first two sections of the duodenum, liver, gallbladder, and superior portion of pancreas.
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Phylum Nemertea
- A mouth opening that is ventral to the rhynchocoel leads into the foregut, followed by the intestine.
- Nemertini have a ganglion or "brain" situated at the anterior end between the mouth and the foregut, surrounding the digestive system as well as the rhynchocoel.
- This image shows the internal structures of a basic nemertean, including the proboscis and the rhynchocoel: 1: Proboscis 2: Rhynchocoel 3: Dorsal commissure of brain 4: Rhynchodeum 5: Proboscis pore 6: Ventral commissure of brain 7: Mouth 8: Foregut 9: Stomach
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Anatomy of the Pancreas
- Even when a single pancreas is present, two or three pancreatic ducts may persist, each draining separately into the duodenum (or an equivalent part of the foregut).
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Plague
- Scanning electron micrograph depicting a mass of Yersinia pestis bacteria (the cause of bubonic plague) in the foregut of the flea vector.
- The foregut of this flea is blocked by a Y. pestis biofilm, which is a prerequisite for efficient transmission.
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Spleen
- However, it still shares the same blood supply as the foregut organs in the abdominal cavity.