Kidney Microstructure
Kidney Microstructure - Related Videos
03:14
Eosin Staining of Soft-Tissue Samples: An Eosin-Based Procedure for Whole Mouse Kidney Staining to Visualize Specific Tissue Microstructures
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2025
This video demonstrates the procedure for the acidification of the whole mouse kidney with fixation followed by Eosin Y staining. This cytoplasm-specific Eosin staining method helps visualize and identify anatomical structures in the tissue.
08:19
The Mouse Isolated Perfused Kidney Technique
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Cited by 24 •
2016
The mouse isolated perfused kidney (MIPK) is a technique for keeping a mouse kidney under ex vivo conditions perfused and functional for 1 hr. The buffers and surgical technique are described in detail.
09:23
Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures
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Cited by 7 •
2012
We present methods for fabrication of patterned microstructures of vertically aligned carbon nanotubes (CNTs), and their use as master molds for production of polymer microstructures with organized nanoscale surface texture. The CNT forests are densified by condensation of solvent onto the substrate, which significantly increases their packing density and enables self-directed formation of 3D shapes.
01:45
Kidney Structure
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2019
The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries. The renal cortex is the thick outer layer of the kidney. It...
10:42
Normothermic Machine Perfusion of Rat Kidneys for Transplantation
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2026
This protocol describes the ex vivo normothermic machine perfusion of a rat kidney for subsequent transplantation into a recipient rat.
FAQs
The nephron coordinates several linked activities rather than performing filtration alone. Filtration begins at the glomerulus, while successive tubular segments modify the filtrate by recovering useful substances, adding wastes, and adjusting its composition. This sequential arrangement allows the kidney to process fluid progressively, connecting the initial filtration step with regulation of water, electrolytes, and waste removal.
The filtration barrier marks the structural interface where blood-derived fluid enters the nephron as filtrate. Its condition therefore has direct relevance to filtration, while the downstream tubules determine how that filtrate is modified. Examining the barrier together with adjacent nephron compartments helps link microscopic architecture to changes in filtration and overall renal function.
Tubular segments do not simply transport an unchanged filtrate. They selectively reabsorb substances the body can use, secrete wastes, and alter the filtrate as it moves onward. Collecting ducts receive this processed fluid and contribute to the final urine pathway. Their organization is therefore essential for understanding how urine composition reflects coordinated renal regulation.
Histology and microscopy provide complementary ways to study renal architecture at the tissue and cellular levels. Investigators can examine the arrangement of glomeruli, filtration barriers, tubular segments, and collecting ducts, then relate visible structural patterns to their proposed functions. These approaches make microscopic organization useful for connecting cellular architecture with normal renal activity or tissue alteration.
A useful comparison considers multiple compartments rather than focusing on a single structure. Researchers can assess the appearance and organization of glomerular filtration regions, tubular segments, and collecting ducts, then determine whether their integrity and relationships remain consistent. Comparing these features across samples can reveal tissue changes associated with disease or responses to an experimental treatment.
Microstructural analysis is useful when researchers need to connect tissue changes with altered kidney performance. Histology, microscopy, and related techniques can help identify disease-associated changes, evaluate filtration and tubular integrity, and assess how drugs or experimental treatments affect renal tissue. The resulting structural information complements functional observations by showing where cellular or compartment-level alterations occur.