The word "embryo" is correct and usable in written English.
You can use it to refer to a young organism in the early stages of development, typically after fertilization, before birth or hatching. For example, "The researchers observed the development of the embryo over several weeks."
Eggs are also valuable; besides their nutritional worth, they are used in their millions to produce our annual flu vaccines, as well as offering a means to explore embryo development and even test theories of how birds evolved from dinosaurs.
That left her and her husband with one frozen embryo.
"But at the end of the day I always come back to, 'Well we just need to try it because I don't know if I can live with all the other decisions and options.'" So some time early next year, they've agreed, the final embryo will be implanted.
She didn't want to be faced with a decision about what to do with an extra embryo – a potential child – sitting on ice in a sterilised storage facility.
Today they have a little boy and a little girl – and, despite Loblein's best efforts not to create more than they needed, that extra embryo she'd wanted to avoid.
How far should we manipulate an embryo?
Outside a hospital across town is "The Miraculous Journey", a sequence of 14 permanent gargantuan bronzes charting an embryo from conception to birth.
These clusters contain the master genes that control the overall body plan of a developing embryo.
The new foreign-policy unit will be an EU foreign ministry in embryo.
When an egg is fertilised by a sperm bearing a Y chromosome, there is a month's delay before it switches on the genes that convert the developing embryo into a male.
An embryo whose cells have human nuclei and rabbit mitochondria is not a monster.
