Stem cells offer new glimpse at how the placenta emerges—and how the fetus-sustaining organ can fail

The outer layer of cells (thin ring above) in a several-days-old human embryo goes on to form the placenta. ANDY WALKER/MIDLAND FERTILITY SERVICES/SCIENCE SOURCE https://www.sciencemag.org/news/2020/09/stem-cells-offer-new-glimpse-how-placenta-emerges-and-how-fetus-sustaining-organ-can

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3-D bioprinting constructs for cartilage regeneration

Schematic presentation of the study design and scaffold construction. (A) Schematic Illustration of the study design with 3D bioprinted dual-factor releasing and gradient-structured…more Credit: Science Advances, doi: 10.1126/sciadv.aay1422 https://medicalxpress.com/news/2020-09-d-bioprinting-cartilage-regeneration.html

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