An embryo is a very early stage of development in some living creatures, including humans. It is formed when a fertilized egg starts to grow, but it is not fully developed yet. Full definition
In the future, through selective abortion or the more sophisticated selection of embryos in vitro, couples will be able to screen out potential children with undesirable genes. (religion-online.org)
In this recent request, part of the plan is to avoid the ethical debate surrounding the use of human embryos in stem - cell research. (science.howstuffworks.com)
His legacy and career focus has been in embryo transfer in cattle. (veterinarianedu.org)