Primitive streak Created 2026-10-20 Updated 2026-11-05
The transient region through which cells ingress during amniote gastrulation, supplying mesoderm and definitive endoderm.
SKN-1 2026-10-20
A maternal transcription factor providing endomesodermal input to the EMS lineage in Caenorhabditis elegans. Its effects include activation of MED factors and endoderm-specifying regulators.