File:Gastrointestinal tract of a fish, bird, and human.png
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| Description | Figure 3. - The gastrointestinal tract of a fish, bird, and human. (A) Gut tube in a fish. The pharynx comprises a large portion of the cranial body cavity, and thus restricts the length of the esophagus. The inner lumen of the esophagus is ciliated, facilitating particle transport in water, (B) Gut tube in a bird. The esophagus has a large out pouching distally termed the crop, which allows for the storage and regurgitation of partially digested food material to feed their young. The stomach has a separate section termed the gizzard, where swallowed pebbles are stored and facilitate mechanical digestion, to compensate for the lack of teeth in the beak, and (C) Gut tube in a human. From proximal to distal, the structures shown include the pharynx (turquoise), esophagus (pink), stomach (blue), intestines (yellow), and anus (green). |
| Date | |
| Source | https://www.researchgate.net/publication/304253500 Embryology comparative_anatomy and_congenital malformations of the_gastrointestinal tract Embryology, comparative anatomy, and congenital malformations of the gastrointestinal tract. Edorium J Anat Embryo 2016;3:39–50. doi:10.5348/A04-2016-14-RA-6 |
| Author | Danowitz M, Solounias N. |
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© 2016 Melinda Danowitz et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.
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| current | 09:50, 21 July 2024 | | 823 × 929 (297 KB) | Rasbak (talk | contribs) | {{Information |description= Figure 3. - The gastrointestinal tract of a fish, bird, and human. (A) Gut tube in a fish. The pharynx comprises a large portion of the cranial body cavity, and thus restricts the length of the esophagus. The inner lumen of the esophagus is ciliated, facilitating particle transport in water, (B) Gut tube in a bird. The esophagus has a large out pouching distally termed the crop, which allows for the storage and regurgitation of partially digested food material to f... |
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