Seminiferous Tubules
Seminiferous Tubules - Related Videos
04:25
Isolation of Immune Regulatory Sertoli Cells from Mouse Seminiferous Tubules
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2025
This video demonstrates the isolation procedure of Sertoli cells from mouse seminiferous tubules, a component of the testes. Enzymatic digestion and repeated washes promote the release of Sertoli cells into the solution, which can be cultured further for proliferation and growth.
09:40
A Seminiferous Tubule Squash Technique for the Cytological Analysis of Spermatogenesis Using the Mouse Model
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Cited by 32 •
2018
The goal of this tubule squash technique is to rapidly assess cytological features of developing mouse spermatocytes while preserving cellular integrity. This method allows for the study of all stages of spermatogenesis, and can be easily implemented alongside other biochemical and molecular biological approaches for the study of mouse meiosis.
07:06
Isolation of Primary Human Proximal Tubule Epithelial Cells and Their Use in Creating a Microphysiological Model of the Renal Proximal Tubule
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Cited by 3 •
2025
We present an optimized protocol for processing whole human kidneys to isolate and culture primary renal proximal tubule epithelial cells and the application of these cells in a three-dimensional, microfluidic, microphysiological platform to recapitulate the renal proximal tubule.
05:11
Malpighian Tubule Dissection from an Adult Fly: Isolating an Osmoregulatory and Excretory Organ
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2023
This article describes the dissection of the anterior Malpighian tubules (MT) from a female Drosophila fly and an example protocol from Rossano et al. (2017) in which the MTs are prepared for live imaging in a perfusion chamber.
01:24
Renal Tubule and Collecting Duct
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2024
The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT). Proximal Convoluted Tubule (PCT): The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
FAQs
Sertoli cells provide the immediate support that developing germ cells require, including nutrition, organization, and help with progression through successive stages. Nearby Leydig cells supply testosterone, while hormonal signaling helps regulate the overall process. Examining these relationships explains how cellular support and hormonal control work together to maintain coordinated germ-cell development within the tubule.
The ordered sequence from mitosis through meiosis to differentiation represents successive steps in germ-cell development. Seminiferous tubules allow this progression to be studied within one organized tissue, linking cell division with the eventual formation of spermatozoa. Disruption at any stage could therefore influence the outcome of sperm production and provide clues about reproductive dysfunction.
The specialized lining contains developing germ cells and Sertoli cells within an organized tissue environment. This arrangement allows biologists to examine mitosis, meiosis, and differentiation as connected stages rather than isolated cellular events. Studying that organization helps link the behavior of individual germ cells with broader tissue function and clarifies how the tubule supports spermatogenesis.
Their cellular organization and active germ-cell progression provide a way to investigate how testicular tissue develops and how sperm production is maintained. Examining developing germ cells together with supporting Sertoli cells can connect tissue-level organization with reproductive outcomes. This makes seminiferous tubules relevant to studies of fertility, testicular development, and conditions that impair reproductive function.
Researchers can examine whether environmental exposures or medications affect germ-cell progression, Sertoli-cell support, or hormonal regulation within the tubules. Such investigations can connect an exposure or treatment with changes in sperm production and help explore reproductive disorders. The tissue therefore provides a focused biological context for evaluating factors that may influence male fertility.
Their organized tissue structure brings together supporting cells, developing germ cells, and multiple stages of cellular progression. This makes the tubules useful for investigating cell differentiation, the process by which cells acquire specialized states, as well as tissue function. Findings from this model can therefore illuminate how cells develop within an organized biological environment, not only how sperm are produced.