http://linkedlifedata.com/r... | skos:definition | "The migration of individual cells within the blastocyst to help establish the multi-layered body plan of the organism (gastrulation). For example, the migration of cells from the surface to the interior of the embryo (ingression)." [GOC:jl, http://www.cellmigration.org/, ISBN:0878932437] | lld:geneontology |