Transmission Electron Microscopy for Pathology

How pathology researchers use transmission electron microscopy

Pathology researchers often need to investigate tissue features that cannot be fully resolved with light microscopy alone. Transmission electron microscopy (TEM) provides nanometer-scale visualization of cellular and subcellular structures, helping researchers examine glomerular basement membranes, podocyte foot processes, cilia axonemes, organelles, deposits, pathogens, and other ultrastructural features.

 

TEM supports pathology research applications including renal pathology, muscle pathology, nerve pathology, cilia ultrastructure, infectious disease research, and cancer research, where understanding tissue ultrastructure can provide additional insight into cellular architecture and disease-related changes.

TEM image showing measurements of the glomerular basement membrane in a kidney tissue section. Data courtesy of the Department of Renal Pathology, Brigham and Women's Hospital, USA.

What is TEM used for in pathology research?

Pathology researchers use transmission electron microscopy when they need to investigate tissue ultrastructure beyond the resolution limits of conventional light microscopy. TEM can reveal features such as membrane organization, cilia ultrastructure, mitochondrial morphology, intracellular inclusions, extracellular deposits, viral particles, and tissue-specific ultrastructural changes.

 

Common pathology applications include:

  • Renal pathology research 
  • Muscle pathology research 
  • Nerve pathology research 
  • Ciliary and respiratory pathology research
  • Infectious disease and pathogen characterization 
  • Cancer research 
  • Organelle and cellular ultrastructure studies
TEM images of muscle tissue at different magnifications acquired with the Thermo Scientific Talos TEM.

How TEM supports renal pathology research

Renal pathology research often requires evaluation of ultrastructural features that cannot be fully assessed with light microscopy. TEM helps researchers visualize glomerular basement membranes (GBMs), podocyte foot processes, immune deposits, and other nanoscale structures that may provide insight into kidney tissue morphology and pathology.

Key applications of TEM in renal pathology research

Glomerular basement membrane evaluation

  • Measure GBM thickness 
  • Assess lamellation and splitting 
  • Identify rarefaction and other ultrastructural abnormalities 

Podocyte assessment

  • Visualize podocyte foot processes and slit diaphragms 
  • Evaluate foot process effacement 
  • Measure foot process width 

Electron-dense deposit characterization

  • Determine deposit location and distribution 
  • Assess deposit morphology and architecture 
  • Identify intramembranous dense bands and related features 

Tubular injury evaluation

  • Examine tubular epithelial cell ultrastructure 
  • Assess brush border integrity 
  • Identify mitochondrial swelling and lysosomal inclusions 

Organized deposit analysis

  • Detect fibrillar deposits 
  • Evaluate fibril morphology and packing density 
  • Characterize organized extracellular deposits

How does TEM complement light microscopy in pathology?

Light microscopy provides broad tissue context, cellular morphology, and staining-based information. Because TEM provides nanoscale visualization, it can complement light microscopy and other imaging approaches when researchers need to investigate features below the resolution limit of conventional optical methods.

 

TEM is especially useful when the research question involves structures such as membranes, organelles, deposits, cell junctions, or fine extracellular architecture.

 

Together, these methods can help researchers connect tissue-level observations with subcellular detail.

Comparison of light microscopy and TEM images of a kidney glomerulus. Light microscopy provides overall tissue architecture, while TEM enables visualization of ultrastructural features such as podocytes, foot processes, and the GBM. Adapted from DOI: 10.3389/fimmu.2026.1710424, under the CC BY license.

A TEM platform designed for pathology research

Pathology researchers often need to navigate large tissue sections, identify regions of interest, acquire reproducible ultrastructural images, and share findings with collaborators. A TEM platform designed for pathology workflows should support efficient navigation, high-quality imaging, measurements, and data sharing.

 

The Thermo Scientific Talos 12 TEM supports pathology research workflows by helping researchers move from tissue-scale context to ultrastructural detail while simplifying image acquisition, analysis, and collaboration.

Talos 12 Transmission Electron Microscope, a platform for pathology research.

Navigate large tissue sections and target regions of interest

Identifying regions for ultrastructural analysis begins with evaluating large tissue sections. The Talos 12 TEM pairs with Thermo Scientific Maps 3 Software to help researchers navigate tissue-scale overviews, identify regions of interest, and acquire high-resolution TEM data while preserving spatial context.

 

Automated multi-scale imaging workflows help reduce manual steps, improve reproducibility, and increase productivity for pathology laboratories and imaging facilities. Researchers can scan large tissue sections, target areas of interest, and collect high-resolution images through unattended acquisition workflows.

Collect high-resolution pathology data with confidence

Documenting and measuring ultrastructural features is essential for accurate interpretation and reporting in pathology research. The Talos 12 TEM provides high-contrast imaging of cellular and tissue ultrastructure, helping researchers visualize podocytes, glomerular basement membranes, organelles, pathogens, deposits, and other nanoscale structures relevant to pathology research.

 

Integrated measurement and annotation tools support quantification, documentation, and sharing of findings across research teams.

Integrated measurement, annotation, and data export tools in Thermo Scientific Velox Software.

Examine complex ultrastructural features from multiple angles

Some pathology applications require evaluation of three-dimensional structures where section orientation can influence interpretation. Features such as respiratory cilia, axonemal organization, and other complex cellular architectures may appear differently depending on how they are sectioned and imaged.

 

The Talos 12 TEM pairs with Thermo Scientific Tomography 5 Software to support advanced tilted imaging workflows that help researchers examine the same region of interest from multiple viewing angles while maintaining precise specimen positioning. High stage stability and eucentric tilting help keep structures centered during acquisition, minimizing image shift and focus changes throughout the workflow.

 

By visualizing samples from multiple perspectives, the Talos 12 TEM helps researchers confidently evaluate ultrastructural features, distinguish true structural abnormalities from orientation artifacts, and gain additional insight into complex biological architecture.

Three-dimensional cilia ultrastructure imaged at multiple tilt angles.

Support multi-user pathology laboratories

Pathology research environments often include users with varying levels of electron microscopy expertise. Workflow-based software and guided automation help reduce the learning curve for new users while preserving advanced microscope controls for experienced microscopists.

 

Images, measurements, annotations, and reports can be shared with colleagues for offline review, enabling pathologists, researchers, and collaborators to evaluate findings without interrupting instrument availability. This supports efficient workflows in shared facilities, core laboratories, and collaborative research environments.

Researchers work at the Talos 12 TEM.

Contact us

Learn how the Talos 12 TEM can support pathology research workflows, including renal pathology, tissue ultrastructure analysis, and large-area tissue navigation. Request a demo, receive a quote, or discuss your application with your local team.


Frequently asked questions

TEM can reveal glomerular basement membrane abnormalities, podocyte foot process effacement, electron-dense deposits, tubular epithelial changes, and organized fibrillar deposits. These ultrastructural features are commonly evaluated in renal pathology research.

Yes. Modern TEM workflows can combine large-area navigation with high-resolution imaging. The Talos 12 TEM leverages Maps 3 Software to help researchers scan tissue sections, identify regions of interest, and perform automated multi-scale image acquisition while maintaining tissue context.

TEM workflows can be streamlined through automation, guided image acquisition, digital navigation, and integrated measurement tools. These capabilities help reduce manual steps, improve reproducibility, and accelerate the collection and review of pathology imaging data.

Thermo Scientific Velox Software provides image acquisition, navigation, measurements, annotations, and data management tools for TEM imaging. Maps 3 Software supports large-area navigation and automated multi-scale image acquisition for pathology applications. Tomography 5 Software helps enable tomography workflows with advanced automation and tilt-series acquisition.

Digital pathology workflows supported by Velox Software and Maps 3 Software help researchers share images, annotations, measurements, and reports for offline review and collaboration. This allows pathologists, microscopists, and research teams to evaluate findings without interrupting instrument availability.

Yes. Modern TEM platforms can support both new and experienced users through workflow-based software, guided automation, and configurable controls. These capabilities make TEM more accessible in shared facilities, core laboratories, and collaborative research environments.

When evaluating a TEM system for pathology research, laboratories often consider image quality, measurement capabilities, large-area navigation, workflow automation, ease of use, data management, and collaboration tools. Systems like the Talos 12 TEM combine these capabilities to support pathology imaging workflows.

For Research Use Only. Not for use in diagnostic procedures.