Colorful pinwheel puts a new spin on mouse pregnancy

Award-winning image shows how the immune system influences placental development

image of nine mouse placentas

MOMMY MICE  A pregnant mouse’s placenta develops differently depending on her immune system. This wheel shows nine developing placentas, some with normal immune cells and some without. The image is one of the winners of the 2017 Wellcome Image Awards.

S. Nadkarni/William Harvey Research Institute/Queen Mary University of London, Wellcome Images

View slideshow of other winners

This rainbow pinwheel of mouse placentas isn’t just an eye-catching, award-winning image.