1. having undergone gastrulation; in the stage of development characterized by the formation of the gastrula
Usage: biology; developmental biology

1. past tense and past participle of gastrulate; underwent or caused to undergo gastrulation (the formation of a gastrula during embryonic development)
Usage: biology; developmental biology

Examples

• The embryo gastrulated after three days of development.
• Once the cells gastrulated, the three primary germ layers began to form.
• The gastrulated embryo showed clear differentiation of ectoderm, mesoderm, and endoderm.
• Researchers observed how the sea urchin gastrulated under the microscope.
• The gastrulated stage marks an important transition in embryogenesis.