blastotsüsti staadiumis oleva embrüo sees asuvate rakkude kobar, mis arengu käigus annavad kõik tulevase organismi rakutüübid, Mass of cells inside the blastocyst that will eventually give rise to all the structures of the organism.

International Organisation for Migration - leading inter-governmental organisation in the field of migration that works closely with governmental, intergovernmental and non-governmental partners to help ensure the orderly and humane management of migration, promote international cooperation on migration issues, assist in the search for practical solutions to migration problems and provide humanitarian assistance to migrants in need, including refugees and internally displaced people