1. undergoing or performing gastrulation; forming a gastrula during embryonic development
Usage: biology; present participle of gastrulate

Examples

• The embryo is gastrulating as the three primary germ layers begin to form.
• During the gastrulating stage, cells migrate inward to create the endoderm.
• Scientists observed the zebrafish gastrulating under the microscope.
• The gastrulating embryo undergoes dramatic morphological changes.
• Once the cells start gastrulating, the basic body plan of the organism emerges.