Niere (Ren)/en: Unterschied zwischen den Versionen
Becher (Diskussion | Beiträge) (Die Seite wurde neu angelegt: „==Kidneys in situ==“) |
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| − | <div class="segmenter"><segmenter-embedding | + | <div class="segmenter"><segmenter-embedding public wsemb-id="ren" file="Ren.seg" height="300" width="400"/></div> |
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| − | The kidney ( ren) is a paired urinary organ and is located retroperitoneally in the abdomen. | + | The kidney (ren) is a paired urinary organ and is located retroperitoneally in the abdomen. |
Due to its central location it touches almost all organs. They are located between the 12th thoracic and 3rd lumbar vertebrae, while the hilum is located at the level of the 2nd lumbar vertebra<br> | Due to its central location it touches almost all organs. They are located between the 12th thoracic and 3rd lumbar vertebrae, while the hilum is located at the level of the 2nd lumbar vertebra<br> | ||
The liver lies ventrally to the kidney. The space in between is called recessus hepatorenalis and in humans is the deepest part of the abdominal cavity. Therefore it is a popular place for pathological fluid accumulation. The kidneys project a triangle onto the trunk, which extends from the lower edge of the bony thorax to the lateral edge of the spinal column.<br> | The liver lies ventrally to the kidney. The space in between is called recessus hepatorenalis and in humans is the deepest part of the abdominal cavity. Therefore it is a popular place for pathological fluid accumulation. The kidneys project a triangle onto the trunk, which extends from the lower edge of the bony thorax to the lateral edge of the spinal column.<br> | ||
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| − | ==Kidneys in situ== | + | <!--==Kidneys in situ==--> |
| − | + | <!--The following organs were removed in the [segmenter_snapshot ren 0] "WebViewer": all intraperitoneal organs, the secondary retroperitoneal colon sections and capsula adiposa in front of the kidneys. The duodenum and pancreas were not removed. At the posterior wall of the peritoneal cavity the kidneys are superimposed by the ligaments of colon ascendens and descendens. Although parts of the duodenum, left and right colonic flexure and pancreas are located in direct proximity to the kidneys, they are separated by connective tissue and fat of the capsula adiposa.--> | |
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| − | == | + | ==Kidneys in situ== |
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| − | <lightbox-embedding src="file:RenNachbar.png" group="image-group-1" caption=" | + | <lightbox-embedding src="file:RenNachbar.png" group="image-group-1" caption="Kidney: Neighbouring organs of the kidney" width="400" height="300" style="width:300px; height:300px;float:left;margin:1px;background-color:#fff;border:1px solid #c8ccd1;display: flex;justify-content: center;"/> |
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| − | + | Kidney: Neighbouring organs of the kidney</div> | |
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| − | + | The anterior surfaces of the kidneys are in close contact with numerous organs of the abdomen. The adrenal glands are closest to them, but due to the capsula adiposa they do not touch each other. In contrast to the liver, the other neighbouring organs leave no marks on the stable kidney and are therefore only topographically relevant. The retroperitoneal kidneys are isolated from the retroperitoneal organs by fascia of the renal bed and from the intraperitoneal organs by the peritoneum. | |
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| − | == | + | ==Diseases== |
| − | *[[Special:MyLanguage/Nierensteine| | + | *[[Special:MyLanguage/Nierensteine|Kidney stones]] |
| − | *[[Special:MyLanguage/Wanderniere| | + | *[[Special:MyLanguage/Wanderniere|floating kidney]] |
| − | == | + | ==Free exploration== |
| − | <div style="float:left;margin-right:1em;"><segmenter-embedding | + | <div style="float:left;margin-right:1em;"><segmenter-embedding public wsemb-id="Ren" file="Ren.seg" height="300" width="500"/></div> |
| − | <div style="float:left;width:50%"> | + | <div style="float:left;width:50%">Look at the structure of the kidney in 3D and explore it freely. Afterwards, you can test your acquired knowledge through the exercises.</div> |
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| − | <li class="mw-ui-button button_new" >[[Special:MyLanguage/Übungsaufgaben| | + | <li class="mw-ui-button button_new" >[[Special:MyLanguage/Übungsaufgaben|Exercises]]</li> |
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| − | <li class="button_article button_normal"><b> | + | <li class="button_article button_normal"><b>Further article</b></li> |
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| − | <li class="mw-ui-button button_normal">[[Special:MyLanguage/Herz| | + | <li class="mw-ui-button button_normal">[[Special:MyLanguage/Herz|Heart]]</li> |
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| − | <li class="mw-ui-button button_normal">[[Special:MyLanguage/Milz| | + | <li class="mw-ui-button button_normal">[[Special:MyLanguage/Milz|Spleen]]</li> |
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| − | [[Category: | + | [[Category:Organs abdomen]] |
| − | [[Category: | + | [[Category:Inner organs]] |
| − | [[Category: | + | [[Category:Organ system]] |
| − | [[Category: | + | [[Category:Body regions]] |
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Aktuelle Version vom 11. Mai 2022, 07:26 Uhr
Anatomy
The kidneys are each about 12 cm long, 6 cm wide, weigh between 150-180 g and have the shape of a bean. The following structures can be distinguished:
- two poles (Extremitas superior/inferior),
- two surfaces (Facies anterior/posterior) und
- two margins (Margo lateralis/medialis).
The two poles join at the inner margin and form the renal hilus (Hilum renale). This serves as a gate for inflowing and outflowing vessels. The kidney is surrounded by a capsule of tight connective tissue (Capsula fibrosa renis). The surface of the kidney is delicately furrowed due to the history of its development. In contrast to the blood vessels, the ureter is often slightly dorsally displaced and exits the renal pelvis below the vessels.
Projection of the kidneys onto the trunk
The kidney (ren) is a paired urinary organ and is located retroperitoneally in the abdomen.
Due to its central location it touches almost all organs. They are located between the 12th thoracic and 3rd lumbar vertebrae, while the hilum is located at the level of the 2nd lumbar vertebra
The liver lies ventrally to the kidney. The space in between is called recessus hepatorenalis and in humans is the deepest part of the abdominal cavity. Therefore it is a popular place for pathological fluid accumulation. The kidneys project a triangle onto the trunk, which extends from the lower edge of the bony thorax to the lateral edge of the spinal column.
View from ventral: The kidneys lie retroperitoneally under the diaphragm. They are therefore passively moved with the respiration. In severe diseases such as metastatic tumours, this can lead to the disappearance of the fat capsule (capsula adiposa), in which the kidney is usually firmly integrated, and to the lowering of the kidneys. Vessels and the ureter can be trapped and disturbances in renal perfusion can be caused.
View from dorsal: The kidneys are dorsally overlapped by the pleural cavities and the right kidney is less distant from the iliac crest.
Kidneys in situ
The anterior surfaces of the kidneys are in close contact with numerous organs of the abdomen. The adrenal glands are closest to them, but due to the capsula adiposa they do not touch each other. In contrast to the liver, the other neighbouring organs leave no marks on the stable kidney and are therefore only topographically relevant. The retroperitoneal kidneys are isolated from the retroperitoneal organs by fascia of the renal bed and from the intraperitoneal organs by the peritoneum.
