While both species' blastula cells express the pou5 gene, a key stem cell regulator, the gene is not expressed in neural crest stem cells in lampreys. Losing this factor may have limited the ability ...

The thyroid, a vital endocrine organ in vertebrates, plays a key role in regulating metabolism and supporting growth. The first gland of both the nervous system and endocrine system to mature during ...

An illustration of zebrafish heart development, showing the migration of cells in the growing embryo after 17 hours, 1 day and 2 days to form the heart. Most heart cells come from the embryonic ...

Neural crest cells are a population of stem cells that invade the embryo in early development. They play a big role in what you look like: the pigments of your eyes, of your skin, and the bone ...