Stomach: histological organisation of the gastric wall
| dc.contributor.author | Pérez Clausell, Jeús | |
| dc.contributor.author | Universitat de Barcelona. Departament de Biologia Cel·lular, Fisiologia i Immunologia | |
| dc.date.accessioned | 2025-07-23T09:08:33Z | |
| dc.date.available | 2025-07-23T09:08:33Z | |
| dc.date.issued | 2025 | |
| dc.description.abstract | [ENG] A collection of micrographs illustrating the organisation of the stomach in rats. The layers of the gastric wall and their components –such as blood vessels, fibres and cell types– are shown in paraffin sections stained with hæmatoxylin-eosin stain or van Gieson trichrome. Semithin sections 2 µm thick were stained with toluidine blue. This collection complements the micrographs published by Dr Elena Sagristà i Mateo https://hdl.handle.net/2445/60213 — See also: https://diposit.ub.edu/dspace/browse?type=author&value=Sagrist%C3%A0+i+Mateo%2C+Elena | ca |
| dc.description.abstract | [CAT] Col·lecció de micrografies de l'organització de l'estómac de la rata. Es mostren les capes de la paret estomacal i els seus components (vasos sanguinis, fibres, tipus cel·lulars, etc.) en talls de parafina tenyits amb hematoxilina-eosina o el tricròmic de van Gieson i talls semifins de resina epoxi tenyits amb blau de toluïdina. Aquesta col·lecció complementa les micrografies publicades per la Dra. Elena Sagristà i Mateo https://hdl.handle.net/2445/60213 — I també: https://diposit.ub.edu/dspace/browse?type=author&value=Sagrist%C3%A0+i+Mateo%2C+Elena | ca |
| dc.format.extent | 46 imatges | |
| dc.format.mimetype | image/jpeg | |
| dc.identifier.citation | Cite as: Pérez-Clausell J (2025). Stomach: histological organisation of the gastric wall. Universitat de Barcelona. Departament de Biologia Cel·lular, Fisiologia i Immunologia. Dipòsit digital UB [consulted on 7/23/2025] https://hdl.handle.net/2445/222504 | ca |
| dc.identifier.uri | https://hdl.handle.net/2445/222504 | |
| dc.language.iso | eng | ca |
| dc.rights | cc by-nc-nd (c) Pérez Clausell, Jeús., 2025 | ca |
| dc.rights.accessRights | info:eu-repo/semantics/openAccess | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/3.0/es/ | * |
| dc.source | OMADO (Objectes i MAterials DOcents) | |
| dc.subject.classification | Estómac | cat |
| dc.subject.classification | Aparell digestiu | cat |
| dc.subject.classification | Mucosa gastrointestinal | cat |
| dc.subject.classification | Histologia | |
| dc.title | Stomach: histological organisation of the gastric wall | ca |
| dc.title.alternative | L'estómac: organització histològica de la paret gàstrica. | ca |
| dc.type | info:eu-repo/semantics/other | ca |
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- P_O_stomach_HEosin_2x_58_LETTERS.jpg
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- Stomach wall in a rat. The mucosa (mu) is heavily stained and spans deep into the wall. The inner part –and border– of the mucosa is the muscularis mucosæ (mm), a thin layer of smooth muscle cells heavily stained with eosin. Beneath this muscular layer, the submucosa (sub) is present. In the folds or rugae of the wall, the mucosa layer and the submucosa can be seen. Deeper than the submucosa, the muscularis layer is present. It is thicker than the muscularis mucosa, heavily stained with eosin (reddish), and does not enter the gastric folds. Paraffin section, hæmatoxylin-eosin stain.
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- P_O_stomach_HEosin_2x_58.jpg
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- P_O_stomach_HEosin_4x_62bis_LETTERS.jpg
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- A fold in the gastric wall in a rat. The mucosa is filled with long tubular glands which open to the surface, forming funnel-shaped depressions called gastric pits (black arrows). The epithelium in those tubular, gastric glands (gg) is heavily stained and is surrounded by loose connective tissue –lightly stained– that forms the lamina propria (asterisks). This lamina propria can also be seen at the bottom of the tubular glands and contains many blood vessels (v). The inner border of the lamina propria is marked by the muscularis mucosæ (mm). In the core of the fold, the submucosa (sub) can be seen. Paraffin section, hæmatoxylin-eosin stain.
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- P_O_stomach_HEosin_4x_62bis.jpg
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- P_O_stomach_HEosin_4x_65_LETTERS.jpg
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- Gastric wall in a rat. The gastric glands (gg) almost fill the whole span of the mucosa. They open to the lumen forming the funnel-shaped, gastric pits (black arrowheads). A loose connective tissue termed lamina propria (lp) fills the gaps between the gastric glands, and also forms a thin layer at the bottom of those tubular glands. The deepest layer within the mucosa is the muscularis mucosæ (mm) which marks the border with the submucosa (sub), which is much paler. Paraffin section, hæmatoxylin-eosin stain. v, blood vessels.