High-Resolution Imaging of Embryonic Development
Summary
High-resolution imaging has transformed our understanding of embryogenesis by enabling three-dimensional visualisation of cell behaviours, tissue morphogenesis and organogenesis with cellular to subcellular detail. Techniques such as high-resolution episcopic microscopy (HREM), light-sheet fluorescence microscopy and confocal laser scanning microscopy generate volumetric data sets that capture both static and dynamic processes across entire embryos. Advances in sample preparation, optical clearing and fluorescent labelling have extended imaging depth and contrast, while computational pipelines for image reconstruction, segmentation and quantitative analysis have made it possible to map lineage trajectories, measure morphometric parameters and identify subtle phenotypic abnormalities. Correlative multimodal imaging further integrates structural, molecular and functional information by aligning complementary data streams from different modalities. Together, these innovations have provided unprecedented insight into vertebrate developmental programs, uncovered mechanisms of congenital disorders and driven new approaches for in vitro models such as organoids and embryo-like structures.
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High-Resolution Imaging of Embryonic Development publication trend
The graph below shows the total number of articles in high-resolution imaging of embryonic development across all publications each year (not limited to Nature Index journals).
Technical terms
High-Resolution Episcopic Microscopy (HREM): A block-face imaging technique that acquires serial two-dimensional images from the cut surface of resin-embedded specimens, reconstructing high-detail three-dimensional volumes.
Light-Sheet Fluorescence Microscopy (LSFM): An optical method that illuminates specimens with a thin sheet of laser light to achieve fast, low-phototoxicity three-dimensional imaging of living embryos.
Confocal Laser Scanning Microscopy: A fluorescence imaging technique that uses point illumination and a spatial pinhole to eliminate out-of-focus light, producing high-resolution optical sections.
Correlative Multimodal Imaging (CMI): An integrative strategy that combines structural, molecular and functional data from two or more imaging modalities into a unified three-dimensional reference frame.
Image Segmentation: Computational process of partitioning an image into meaningful regions, such as individual cells or tissues, for quantitative measurement and morphological analysis.
References
- VolumePeeler: a novel FIJI plugin for geometric tissue peeling to improve visualization and quantification of 3D image stacks. BMC Bioinformatics (2023).
- Quantitative Image Processing for Three-Dimensional Episcopic Images of Biological Structures: Current State and Future Directions. Biomedicines (2023).
- High-Resolution Episcopic Microscopy (HREM): Looking Back on 13 Years of Successful Generation of Digital Volume Data of Organic Material for 3D Visualisation and 3D Display. Applied Sciences (2019).
- High-Resolution Episcopic Microscopy (HREM) in Multimodal Imaging Approaches. Biomedicines (2021).
- Phenotyping structural abnormalities in mouse embryos using high-resolution episcopic microscopy. Disease Models & Mechanisms (2014).
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