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

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

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 ...

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 ...

In order for vertebrate embryos to develop their body axes, they require what is known as an embryonic signaling center. This ...