Assay for teratogenicity using embryos of the frog, \(Xenopus\ laevis\).
Note: The term is derived from the first letters of "frog embryo teratogenesis assay \(Xenopus\)".
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 755 (https://doi.org/10.1515/pac-2015-1202)