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2,096 results for “Tracts”
FIGURE 1 in Four new species of Hysterocinetida (Protozoa: Ciliophora) from the digestive tract of earthworms collected to the lower Nyong estuary (South Coast, Cameroon)
FIGURE 1. Earthworm sampling sites
Figure 1 in Diversity and enzymatic capabilities of fungi associated with the digestive tract of larval stages of a shredder insect in Cerrado and Amazon Forest, Brazil
Figure 1. Maps with sampling sites of Triplectides (Trichoptera: Leptoceridae) in low-order streams in the Cerrado (Lajeado State Park and surroundings, state of Tocantins, Brazil) and low-order streams in the Amazon Forest (Tapajós National Forest, state of Pará, Brazil) biomes.
Figures 6-8 from: Kalhoro H, Tong S, Wang L, Hua Y, Volatiana JA, Shao Q (2018) Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes). Zoologia 35: 1-9. https://doi.org/10.3897/zoologia.35.e25171
Figures 6-8 Photograph illustrating the transverse section of oesophagus containing mucus cells (arrow), lamina propria and lumen (6–7 stained with Hematoxylin and eosin stain). (8) Mucus-secreting cells in the anterior part of the oesophagus (arrows) possessing neutral and acidic carboxylated and sulphoglycoprotein. Combined stain of Periodic acid-Schiff + Alcian blue pH 2.5. (MC) Mucus cells, (LP) lamina propria, (LU) lumen, (GC) goblet cells.
Figures 25-30 from: Kalhoro H, Tong S, Wang L, Hua Y, Volatiana JA, Shao Q (2018) Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes). Zoologia 35: 1-9. https://doi.org/10.3897/zoologia.35.e25171
Figures 25-30 Scanning electron microscopy illustrating (25) epithelial surface of the oesophagus (26) pores of goblet cells (27) epithelial surface of the cardiac stomach showing cardiac gland (28) fundic region of the stomach showing fundic glands (29) Cross-section of the anterior intestine showing longitudinal mucosal folds, crypts, propria-submucosa and tunica muscularis (30) posterior intestine showing microvilli and pores of goblet cell. (M) Mucosa, (MF) mucosal fold, (PG) pores of goblet cells, (CG) cardiac gland, (PS) propria-submucosa, (FG) fundic gland, (CY) crypts, (MV) microvilli.
Figures 2-5 from: Kalhoro H, Tong S, Wang L, Hua Y, Volatiana JA, Shao Q (2018) Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes). Zoologia 35: 1-9. https://doi.org/10.3897/zoologia.35.e25171
Figures 2-5 Photograph of L.crocea GIT illustrating the general organization: (2) transversal section of the oesophagus, note the muscular possessing an inner longitudinal layer and an outer circular layer; (3) transversal section of stomach showing the muscularis mucosa; (4) anterior intestine possessing longitudinal villi and thin muscular layer; (5) posterior intestine possessing short villi and thick muscular layer. Hematoxylin and eosin stain. (TM) Tunica mucosa, (TS) tunica submucosa, (CL) circular layer, (LL) longitudinal layer, (SE) serosa.
Figures 19-24 from: Kalhoro H, Tong S, Wang L, Hua Y, Volatiana JA, Shao Q (2018) Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes). Zoologia 35: 1-9. https://doi.org/10.3897/zoologia.35.e25171
Figures 19-24 Photograph illustrating the anterior, mid and posterior regions in (19, 22), (20, 23) and (21, 24), respectively. (19–21) stained with Hematoxylin and eosin stain and (22–24) stained with the combined stain of Periodic acid-Schiff + Alcian blue pH 2.5. (GC) Goblet cells, (MV) microvilli.
Figures 17-18 from: Kalhoro H, Tong S, Wang L, Hua Y, Volatiana JA, Shao Q (2018) Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes). Zoologia 35: 1-9. https://doi.org/10.3897/zoologia.35.e25171
Figures 17-18 Photograph illustrating the transverse section of pyloric caeca that histologically resembles with intestine, but with exception of the higher quantity of goblet cells (arrows), (17) stained with Hematoxylin and eosin stain and (18) stained with the combined stain of Periodic acid-Schiff + Alcian blue pH 2.5. (LU) Lumen, (GC) goblet cells.
Figures 13-16 from: Kalhoro H, Tong S, Wang L, Hua Y, Volatiana JA, Shao Q (2018) Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes). Zoologia 35: 1-9. https://doi.org/10.3897/zoologia.35.e25171
Figures 13-16 Photograph illustrating the cardiac, fundic and pyloric regions in (13), (14), and (15) respectively stained with Hematoxylin and eosin stain and (16) stained with the combined stain of Periodic acid-Schiff + Alcian blue pH 2.5. (TM) Tunica mucosa, (GP) gastric pits, (CG) cardiac gland, (FG) fundic gland, (LP) lamina propria, (MC) mucus-secreting cells.
Figures 9-12 from: Kalhoro H, Tong S, Wang L, Hua Y, Volatiana JA, Shao Q (2018) Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes). Zoologia 35: 1-9. https://doi.org/10.3897/zoologia.35.e25171
Figures 9-12 Photograph illustrating the changing of oesophageal epithelium to the gastric epithelium (arrow) in (9) and (10). Note the short non-glandular mucosal region of the gastric epithelium, (11) replacement of striated muscle by smooth muscle and (12) rapid transform of oesophageal epithelia with goblet cells (arrow) to gastric epithelia with epithelial cells containing apical mucosubstances. (9–11) stained with Hematoxylin and eosin stain and (12) stained with the combined stain of Periodic acid-Schiff + Alcian blue pH 2.5. (LP) Lamina propria, (TS) tunica submucosa, (GP) gastric pits.
Figure 1 from: Kalhoro H, Tong S, Wang L, Hua Y, Volatiana JA, Shao Q (2018) Morphological study of the gastrointestinal tract of Larimichthys crocea (Acanthopterygii: Perciformes). Zoologia 35: 1-9. https://doi.org/10.3897/zoologia.35.e25171
Figure 1 Photograph of the L.crocea gut illustrating: (ES) esophagus, (CS) cardiac stomach, (FS) fundic stomach, (PS) pyloric stomach, (PC) pyloric caeca, (AI) anterior intestine, (MI) mid intestine, (PI) posterior intestine, and (RE) rectum. Scale bar = 7 cm.
Figure 10 from: Bhat MY, Channa A, Paray BA, Al-Sadoon MK, Rather IA (2019) Morphological study of the gastrointestinal tract of the snow trout, Schizothorax esocinus (Actinopterygii: Cypriniformes). Zoologia 36: 1-7. https://doi.org/10.3897/zoologia.36.e31791
Figure 10 Scanning electron micrograph of rectum showing irregular mucosal folds (MF1), mucous (↓) and pores (→). Scale bar: 200 µm.
Figures 6-9 from: Bhat MY, Channa A, Paray BA, Al-Sadoon MK, Rather IA (2019) Morphological study of the gastrointestinal tract of the snow trout, Schizothorax esocinus (Actinopterygii: Cypriniformes). Zoologia 36: 1-7. https://doi.org/10.3897/zoologia.36.e31791
Figures 6-9 Scanning electron micrograph of intestinal bulb showing: (6) primary or major (MF1) and secondary mucosal folds (MF2), covered with thin film of Mucin (M). The zig-zag arrangement of primary folds is clearly visible in this region (←); (7) microridges (MR); (8) primary or major mucosal folds (MF1) and the zig-zag invagination (←); (9) secondary folds (MF2). Scale bar: 6 = 500 µm, 7 = 10 µm, 8 = 100 µm, 9 = 20 µm.
Figures 1-3 from: Bhat MY, Channa A, Paray BA, Al-Sadoon MK, Rather IA (2019) Morphological study of the gastrointestinal tract of the snow trout, Schizothorax esocinus (Actinopterygii: Cypriniformes). Zoologia 36: 1-7. https://doi.org/10.3897/zoologia.36.e31791
Figures 1-3 Scanning electron micrograph of buccopharynx showing: (1) primary longitudinal (MF1) and secondary folds (MF2); (2) goblet cell (GC) and stratified epithelial cells (SEC); (3) microridges (MR). Scale bars: 1 = 200 µm, 2 = 20 µm, 3 = 10 µm.
Figures 4-5 from: Bhat MY, Channa A, Paray BA, Al-Sadoon MK, Rather IA (2019) Morphological study of the gastrointestinal tract of the snow trout, Schizothorax esocinus (Actinopterygii: Cypriniformes). Zoologia 36: 1-7. https://doi.org/10.3897/zoologia.36.e31791
Figures 4-5 Scanning electron micrograph of esophagus showing: (4) primary longitudinal (MF1) and secondary mucosal folds (MF2); (5) stratified epithelial cells (SEC), goblet cells (GC), Pores of goblet cells (PG) and microridges (MR). Scale bar: 4 = 500 µm, 5 = 10 µm.
MOVIE S5 Normal clearance of murine respiratory tract is mediated by discontinuous Muc5b and Muc5ac mucus clouds
<p><strong>Movie S5. Mucus transport of the Muc5ac on the trachea of </strong><strong><em>Muc5b<sup>–/– </sup></em></strong><strong>mice. </strong>The mouse trachea was mounted and submerged in a buffer containing Alcian blue, tilted and the mucus transport in the distal part of the tissue recorded by video microscopy.</p>
MOVIE S2. Normal clearance of murine respiratory tract is mediated by discontinuous Muc5b and Muc5ac mucus clouds
<p>Movie S2. Mucus-trapped beads moves slower than free beads. Mouse trachea was mounted and submerged in a buffer containing Alcian blue and 1 µm fluorescent beads, the tissue tilted, and the movement of mucus and beads recorded by video microscopy.</p>
MOVIE S3. Normal clearance of murine respiratory tract is mediated by discontinuous Muc5b and Muc5ac mucus clouds
<p><strong>Movie S3. Charcoal particles are collected and transported by mucus bundles. </strong>The mouse trachea was mounted and submerged in a buffer containing Alcian blue and charcoal, the tissue tilted and the movement of charcoal on the proximal part of the trachea recorded by video microscopy.</p>
Figure 5 in Morphology of the male reproductive tract in the water scavenger beetle Tropisternus collaris Fabricius, 1775 (Coleoptera: Hydrophilidae)
Figure 5 Histology of the male reproductive tract of T. collaris. (A) Cross section of the confluence region of spermatic ducts and glands showing the presence of secretion (arrowhead) and spermatozoa (asterisk). (B) Cross and (C) longitudinal sections of the ejaculatory duct, indicating the cuboidal epithelium with basal nuclei (arrowhead), cuticle (arrowhead), and thick muscle layer (a = circular muscles, b = longitudinal muscles). Bars: A and B = 200 µm, C = 400 µm.
Figure 1 in Morphology of the male reproductive tract in the water scavenger beetle Tropisternus collaris Fabricius, 1775 (Coleoptera: Hydrophilidae)
Figure 1 Anatomy of the male reproductive tract of T. collaris. (A) Photograph of the anatomy of the male reproductive tract showing the testes (T), vasa deferentia (dd), seminal vesicles (sv), tubular accessory glands (ag), bean-shaped accessory glands (pg), and ejaculatory duct (ej). (B) Schematic drawing of the reproductive tract showing the position and direction of histological sections presented in Figures 2–5. Bars: 0.4 cm.
Figure 4 in Morphology of the male reproductive tract in the water scavenger beetle Tropisternus collaris Fabricius, 1775 (Coleoptera: Hydrophilidae)
Figure 4 Histology of the male reproductive tract of T. collaris. (A and B) Longitudinal section of the glandular region showing a tubular gland (ag1) with lumen full of secretion (black asterisk). The arrowhead points to the nucleus of the epithelium, and the black arrows to the opening of the common duct into the bean-shaped gland (ag2) in a region that precedes the ejaculatory duct (ej). Note the multilobed secretion (white arrow), lumen with secretion (white asterisk), and muscle layer (m) of the bean-shaped gland (ag2). (C) Cross section of the apical portion of the tubular gland showing apocrine secretion (dashed circle) and secretion granules in the lumen (asterisk). Longitudinal section of the ejaculatory duct (ej) showing the lumen (asterisk), simple cuboidal epithelium (arrow), and thick muscle layer (m). Bars: A = 200 µm, B = 150 µm, and C = 100 µm.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.