Phase image of<unk> s in suspension culture. Individual<unk> s are composed of approximately 1000 mESCs An<unk>  whose cells differentiated into enhanced green fluorescence protein-expressing spontaneously beating cardiomyocytes.<unk> es <unk> s) are three-dimensional aggregates of pluripotent stem cells.<unk> s are differentiation of human embryonic stem cells into<unk> es compromising the three embryonic germ layers.
Embryoid body
Cervical cap
Pinard horn
Neural tube
Germinal matrix
Placental cotyledon
Embryocardia
Amniotic fluid