Liver Capsule
Liver Capsule - Related Videos
12:35
In vivo Liver Endocytosis Followed by Purification of Liver Cells by Liver Perfusion
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Cited by 14 •
2011
The study of liver sinusoidal endothelial cells (SECs) must be performed with primary cells obtained from the animal as no cell lines exist. This method relies on liver digestion and differential centrifugation for SEC purification for subsequent culturing and experimentation.
05:24
Teratoma Generation in the Testis Capsule
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Cited by 25 •
2011
Human pluripotent stem cells (hPSCs) have the potential to treat a myriad of different diseases. The utility of these cells lies in the fact that they can differentiate into any cell type in the body. Here we describe the teratoma assay, which is used to demonstrate the pluripotence of hPSCs.
06:11
Laparoscopic Anatomical Resection of the Right Anterior Lobe Based on the Laennec Capsule Technique
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Cited by 1 •
2025
This protocol describes a laparoscopic anatomical right anterior sectionectomy utilizing the Laennec capsule concept, combined with comprehensive preoperative therapy. The approach enables precise tumor resection in hepatocellular carcinoma (HCC) cases closely associated with major vascular structures, improving surgical safety, efficacy, and long-term patient outcomes.
02:17
Separation of Bacteria by Capsule Amount Using a Discontinuous Density Gradient
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2025
Source: Feltwell, T., et.al. Separating Bacteria by Capsule Amount Using a Discontinuous Density Gradient. J. Vis. Exp. (2019)This video demonstrates the use of a discontinuous density gradient to separate bacterial strains based on capsule amount. By centrifuging a transposon mutant library through the gradient, bacteria with different capsule densities localize to distinct layers. The separated fractions can then be collected for downstream analysis.
11:33
Microscopy and Staining: Gram, Capsule, and Endospore Staining
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2023
Source: Rhiannon M. LeVeque1, Natalia Martin1, Andrew J. Van Alst1, and Victor J. DiRita1 1 Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, United States of America Bacteria are diverse microorganisms found nearly everywhere on Earth. Many properties help distinguish them from each other, including but not limited to Gram-staining type, shape and arrangement, production of capsule, and formation of spores. To observe these properties, one...
FAQs
Collagen fibers give the capsule connective-tissue strength, while elastic fibers allow it to conform to the liver’s changing surface contours. Their combination helps maintain an organized outer boundary around the organ rather than a rigid shell. This structural balance is important when considering how enlargement or other changes in liver size may affect the surrounding capsule.
The inward extensions connect the liver’s outer connective-tissue covering with connective tissue surrounding portal tracts. In this position, they provide structural support for associated blood vessels and bile ducts while helping maintain the organization of the lobules. This relationship gives anatomical studies a continuous framework linking the liver surface with deeper internal structures.
The capsule and parenchyma represent adjacent but distinct structural components. The capsule forms the connective-tissue boundary, whereas the parenchyma lies beneath it and contains the liver tissue organized into lobules. Distinguishing these regions helps researchers describe whether a finding involves the organ’s outer support layer, its underlying tissue, or the connective tissue associated with internal portal tracts.
Stretching or irritation places mechanical or inflammatory stress on the capsule surrounding the liver. Because the capsule conforms closely to the organ’s surface, changes in liver size can affect it directly. This relationship helps explain why hepatomegaly, meaning liver enlargement, and other liver disorders may be associated with discomfort even when the primary abnormality lies deeper in the organ.
Anatomical studies can follow the capsule from the liver surface into its connective-tissue extensions around portal tracts. Examining these relationships helps connect the outer boundary with the internal arrangement of blood vessels, bile ducts, and lobules. The resulting framework supports interpretation of liver structure and provides context for describing enlargement, inflammation, fibrosis, or tumors.
The capsule provides a structural and clinical reference point across several liver disorders. Its relationship to the parenchyma and portal tracts helps organize studies of inflammation, fibrosis, and tumors, while its response to enlargement helps relate anatomy to symptoms. In this way, the capsule connects microscopic or structural observations with broader patterns of liver disease.