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06 August 2026
Plumb-ilical Cord
Named from the Greek for sausage, the allantois is a membrane in the yolk sac serving the early developing embryo. Known to give rise to the placenta's vessel cells, in this report its less established role in the development of umbilical cord vessels is confirmed, and for it the vital role of the DLL4 gene identified
Read the published research article here
Written by
- Image from work by Derek C. Sung and colleagues
- Cardiovascular Institute, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Image originally published with a Creative Commons Attribution 4.0 International (CC BY 4.0)
- Published in Journal of Clinical Investigation inSIGHT, February 2026
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BPoD stands for Biomedical Picture of the Day. Managed by the MRC Laboratory of Medical Sciences until Jul 2023, it is now run independently by a dedicated team of scientists and writers. The website aims to engage everyone, young and old, in the wonders of biology, and its influence on medicine. The ever-growing archive of more than 4000 research images documents over a decade of progress. Explore the collection and see what you discover. Images are kindly provided for inclusion on this website through the generosity of scientists across the globe.
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