ArticleAnimals : an open access journal from MDPI2023
A Morphological and Ultrastructural Study of the Anterior Digestive Tract of Adult Nile Tilapia
Article in Animals : an open access journal from MDPI, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Spermatogonial stem cell markers and distribution in different regions of the testis of adult Nile tilapia (Animal reproduction · 2026Article
- Dietary Spirulina (Animals : an open access journal from MDPI · 2025Article
- Morphological and Histological Analysis of the Gastrointestinal Systems inAnimals : an open access journal from MDPI · 2025Article
- Role of a non-steroidal aromatase inhibitor on growth performance, body composition, reproductive and serum biochemical indices, and intestinal histomorphology in hybrid red tilapia (Oreochromis spp.).Fish physiology and biochemistry · 2025Article
- Article
- Article
- Assessment of Dietary Supplementation ofMicroorganisms · 2023Article
Corrections and comments
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Among the most-used fish species in aquaculture is the Nile tilapia, due to its rapid growth rate and its adaptation to a wide range of farming conditions. A careful description of the morphology of the digestive tract, particularly the esophagus and stomach, allows a better understanding of the relationship between structure and function. Combining scanning and light microscopy we highlighted the presence of five different zones in the stomach (1: esophagus-gastric lumen passage; 2: descending glandular portion; 3: fundic portion; 4: ascending glandular portion; 5: gastric-pyloric transition portion). Histochemical investigation showed a secretion of carboxylates mucopolysaccharides along the esophagus and sulphated complex carbohydrates in the stomach. These results suggest that mucins play a protective role of the epithelial lining, which is essential for a correct digestive process. Finally, the characterization of the main cellular structures may be inspiring for more advanced studies aiming to decipher the role of specific molecules, such as neuropeptides, involved in the physiological digestive process.
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Registered trials
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