embryoid body

https://doi.org/10.1351/goldbook.10645

Structure resembling an embryo which is formed by embryonic stem cells or teratocarcinoma cells when they are removed from a growth-promoting medium.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 747 [Terms] [Paper]