Figure 7From: Laser-assisted blastocyst dissection and subsequent cultivation of embryonic stem cells in a serum/cell free culture system: applications and preliminary results in a murine modelUltrastructure of embryoid bodies. Transmission electron microscopy of embryoid body showing three embryonic germ layers including keratin filaments (ectoderm), cardiomyocyte with contractile components (mesoderm), and microvilli (endoderm).Back to article page