Scientists funded in part by the National Institutes of Health have generated a mouse embryo model, or embryoid, that develops beyond neurulation—formation of the neural tube, which gives rise to the ...

Researchers have conducted a detailed study of neurulation -- how the neural tube forms during embryonic development. They conclude that this happens less actively than previously thought. This also ...

Reviewed by Michael Greenwood, M.Sc. Fertilization is defined as a process where gametes (an egg and sperm) join together to form a full zygote. Both the sperm and egg contain a single set of 23 ...

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 ...