The mystery of early embryonic communication is starting to be unraveled thanks to a new stem cell-based model.

Precursor cells in the embryonic neural tube are organized in a specific striped pattern which depends on the signals they receive (left). Lehr and colleagues recreated this pattern in a cell culture ...

In the human embryo, the neural tube forms between the 22nd and 26th day of pregnancy. Later, the brain and spinal cord will develop from this tube. The neural tube forms when an elongated flat tissue ...