As a PhD student in the 1920s, she moved a lump of cells from embryos of one newt species into another. The transplanted ...

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

Humans have around 30 trillion cells in our adult bodies. Amazingly, each of these cells came from a handful of about 100 stem cells in the earliest days of development. The ability of these embryonic ...

The International Society for Stem Cell Research (ISSCR) has submitted a formal response to a Request for Information (RFI) issued by the National Institutes of Health (NIH) regarding its pause on new ...

Embryonic stem cells (ESCs) are found in the inner cell mass of the human blastocyst, an early stage of the developing embryo lasting from the 4 th to 7 th day after fertilization. In normal embryonic ...

Most people have heard of stem cells. They are often described as "miracle" cells –ones that can grow into any other type of cell in our bodies, promising revolutionary medical treatments. However, ...

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

Among the body's most crucial protective features are the brain barrier systems, including the blood-brain and blood-cerebrospinal fluid (CSF) barriers. These barriers are made of highly specialized ...