Men have nipples because embryos are sexually neutral for their first six weeks. Here's the developmental blueprint behind ...

Formation of the blastocyst is a critical event in embryogenesis occurring in the first week of human development. Two sequential cell fate decisions segregate the embryonic pluripotent epiblast from ...

An international team of experts in embryology and bioethics has published the first white paper on the use of embryonic ...

Understanding the mechanisms of early human embryogenesis is pivotal for addressing global health challenges — from infertility and congenital defects to adult diseases rooted in developmental ...

The team observed the emergence of the three-dimensional embryo-like structures under a microscope in the lab. These started producing blood (seen here in red) after around two weeks of development - ...

Studying the shape of tissues and organs is critical to understanding how they are formed. Embryonic development happens in three dimensions, but many studies are limited by the use of two-dimensional ...