How does a tiny cluster of cells become an embryo with a head, trunk, and tail? And how do thousands of genes coordinate this development? A new imaging method makes it possible to visualize the ...
The schematic depicts five stages of human implantation: (1) blastocyst differentiation into ICM/TE; (2) apposition and adhesion to luminal epithelium (dependent on L-selectin/ligand); (3) invasion ...
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