embryo
multicellular diploid eukaryote in its earliest stage of development
chicken embryo
earliest multicellular stage of development of a chicken
animal embryo
earliest multicellular stage of development of an animal
blastula
sphere of cells formed during early embryonic development in animals
germ
plant embryo
fossil embryo
fossil of unhatched or unborn organisms
gastrula
gastrulation in embryo development
fetus
stage in the prenatal development of viviparous organisms
human embryo
first multicellular stage in human development