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7 results for “Tilapia sparrmanii”
Figures 28-31 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 28-31 Photomicrographs of the middle and posterior intestine of T. sparrmanii. (28, 29) Photomicrographs of transverse sections of the posterior intestine, showing AB (Ph 2.5 positive cells (arrows). (LP), lamina propria; (M), mucosa; (EP), epithelium. (30, 31) Photomicrographs of transverse sections of the posterior intestine, showing PAS positive cells. PAS/haematoxylin stain. (LP), lamina propria; (M), mucosa; (EP), epithelium.
Figures 22-27 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 22-27 Photomicrographs of the middle and posterior intestine of T. sparrmanii. (22, 23) Photomicrographs of transverse sections of the middle intestine, showing mucosa, (M); lamina propria, (LP); submucosa, (SM); internal circular muscular layer, (IC); external longitudinal muscle layer, (OC) H&E stain. (24) Photomicrographs of transverse sections of the middle intestine, showing AB (Ph 2.5 positive cells (arrows). (25) Photomicrographs of transverse sections of the middle intestine, showing PAS positive cells (arrows). (26, 27) Photomicrographs of transverse sections of the posterior intestine, showing mucosa, (M); lamina propria, (LP); submucosa, (SM); internal circular muscular layer, (IC); external longitudinal muscle layer, (OC); serosa (S) and the epithelium (EP) H&E stain. Scale bars: 50 µm.
Figures 8-11 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 8-11 (8) Photomicrograph of the cardiac stomach of T. sparrmanii showing mucosal fold consisting of lamina propria with numerous gastric glands (GG), and muscularis, which consisted of inner circular (IC) and outer longitudinal (OL), the serosa (S) and the epithelial layer with gastric pits (arrow). H&E stain. (9) An enlarged photomicrograph of the cardiac stomach of T. sparrmanii showing the different layers; the sub mucosa (SM), muscularis consisting of inner circular (IC) and outer longitudinal (OL) muscle layers, the serosa (S) and gastric glands (GG). H&E stain. (10) Photomicrograph of the pyloric stomach of T. sparrmanii showing villi like projections into the gastric lumen. Note the absence of gastric glands. (11) Photomicrograph showing the transition between the oesophagus and the stomach (arrows). Note the absence of AB (pH 2.5) positive cell in the pyloric region of the stomach (*). Scale bars: 8, 10, 11 = 200 µm, 9 = 50 µm.
Figures 16-21 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 16-21 Photomicrographs of the anterior intestine (AI): (16) An overview of the anterior intestine with emphasis for zig-zag shaped villi, with columnar epithelial cells, which are well endowed with goblet cells. H&E stain. (17) Shows an enlarged image of a segment of Fig. 16 highlighting epithelial lining of the anterior intestine endowed with goblet cells (arrows). H&E stain. (18, 19) Highlights epithelial cells of the anterior intestine endowed with AB (pH 2.5) positive goblet cells. Note the elongated and oval shaped positive cells (arrows) in Fig. 19. (20, 21) Highlights epithelial cells of the anterior intestine endowed with PAS positive goblet cells. Note the teardrop shaped PAS positive cells (arrows) in Fig. 21. Scale bars: 16, 18, 20 = 200 µm, 17 = 20 µm, 19, 21 = 50 µm.
Figures 12-15 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 12-15 (12, 13) Photomicrographs of the cardiac stomach of T. sparrmanii showing numerous gastric glands (GG), and AB (pH 2.5) positive neck cells (arrows). (14, 15) Photomicrographs of the stomach of T. sparrmanii showing numerous gastric glands (GG), and PAS positive epithelial and mucous cells (arrows). Lamina propria (LP); Mucosa (M); submucosa (SM). Scale bars: 12–14 = 50 µm, 15 = 200 µm.
Figures 1-3 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 1-3 (1) Image of an adult of Tilapia sparrmanii in the lateral view; (2) gross morphology of the gastrointestinal tract (GIT) of T. sparrmanii in ventral view of fish showing the relationship of the gastrointestinal tract with other organs in the abdominal cavity. Oesophagus (O) connected to pharynx (Ph) and stomach (S), which overlapped by the liver (L) and heart (H). Notice the highly coiled intestine (I). (3) Gross morphology of the gastrointestinal tract (GIT) of T. sparrmanii, showing the stomach (S). The intestine is divided into anterior intestine (AI), middle intestine (MI), posterior intestine (PI) and rectum (R).
Figures 4-7 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 4-7 (4) Photomicrograph of the oesophagus of T. sparrmanii showing distinct layers; mucosa (M), submucosa (SM), muscularis which consisted of inner circular (IC) and outer linear and a serosa. H&E stain. (5) An enlarged transverse section of the area marked by box in Fig. 4, showing the epithelial lining of the oesophagus (EP) with mucus secreting cell (G) and connective tissue core (C). Note the absence of mucus cells in some regions of the epithelium (*). H&E stain. (6) Transverse section of the oesophagus of T. sparrmanii, showing AB (pH 2.5) positive cells (arrows). (7) Transverse section of the oesophagus of T. sparrmanii, showing PAS positive cells. PAS/haematoxylin stain. Scale bars: 4 = 20 µm, 5–7 = 50 µm.
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