The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
Only two weeks after fertilization, the first sign of the formation of the 3 axes of the human body (head/tail, ventral/dorsal, and right/left) begins to appear. At this stage, known as gastrulation, ...
The distinct parental origins of the X chromosome lead to X-specific lower methylation in female embryos (at least in TE lineage), which, combined with the incomplete X chromosome inactivation and sex ...
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