A groundbreaking new Human Organ Atlas (HOA) portal empowers scientists, healthcare professionals, and curious individuals to explore intact human organs like never before. This innovative platform allows users to investigate everything from entire organs to individual cells in stunning detail, potentially transforming our understanding of human anatomy and disease.
Referred to as the “Google Earth of Human Organs,” the HOA currently features 307 3D datasets spanning 56 organs from 25 donors, including vital organs such as the brain, heart, and lungs, as well as others like the placenta and prostate. This cutting-edge resource is easily accessible through any standard web browser.
The implications of the HOA for the field of medicine are significant. “Human organs possess a three-dimensional, hierarchical structure,” explains Dr. Claire Walsh, Associate Professor and Director at University College London’s Human Organ Atlas Hub in an interview with BBC Science Focus.
“This is the only database I know of that provides 3D hierarchical images of real human organs that are accessible to anyone in the world.”
Early findings showcase the atlas’ potential. Previously, scientists could only estimate the number of nephrons (the kidney’s filtration units) in human kidneys and their locations. With access to HOA data, researchers can now visualize and count individual nephrons throughout the kidney, providing crucial insights into kidney function.
This data is also being applied in the brain, enhancing the precision of surgical placements for deep brain stimulation electrodes. Furthermore, research is underway to uncover congenital heart defects.
In regard to lung health, the atlas aids scientists in understanding the effects of COVID-19 and pulmonary fibrosis on the vascular network.
The HOA was constructed using Hierarchical Phase Contrast Tomography (HiP-CT), a revolutionary technique developed at the European Synchrotron in Grenoble, France. This method uses a light source up to 100 billion times brighter than conventional hospital CT scanners, enabling researchers to non-destructively image entire organs and zoom in to about 50 times smaller than a human hair.
“We are opening a new window into the inner workings of the human body,” stated Paul Tafforeau, an ESRF scientist involved in the project. “After six years of development, we are just beginning. Currently, we focus on isolated organs, but future plans include imaging entire human bodies at resolutions 10 to 20 times greater than today. Such data could revolutionize the study and understanding of anatomy.”
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Source: www.sciencefocus.com












