Region of the vertebrate embryonic mesoderm that gives rise to the genitourinary tract and its blood supply.
Note: The AGM region is the first embryonic site for autonomous
hematopoiesis and production of hematopoietic stem cells.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 725 (https://doi.org/10.1515/pac-2015-1202)