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10 August 2026
Groovy Situation
To get from ovary to uterus, eggs travel along the oviduct or Fallopian tube. In all vertebrates this passageway is lined by walls with folds running longways, thought to contribute to getting eggs to their destination. However, delving deeper into the grooves' function in mouse models, researchers have discovered eggs arrive in the uterus equally well with (left image) or without (right) the tube's longitudinally folded inner architecture
Read the published research article here
Written by
- Image from work by Fumiko Matsukawa Usami & Masaki Arata, and colleagues
- Division of Embryology, National Institute for Basic Biology, Okazaki, Aichi, Japan
- Image originally published with a Creative Commons Attribution – NonCommercial – NoDerivs (CC BY-NC-ND 4.0)
- Published in Proceedings of the National Academy of Science (PNAS), August 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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