| axial
|
| notochord
|
| intervertebral disc nucleus pulposis
|
|
| paraxial
|
| unsegmented paraxial
|
| head mesoderm
|
|
|
|
|
| lateral plate
|
| somatic
|
| body wall connective tissue
|
|
| intra-embryonic coelom
|
| pericardial cavity
|
pleural cavity
|
peritoneal cavity
|
|
| splanchnic
|
| heart
|
blood vessels
|
gastrointestinal tract connective tissue
|
gastrointestinal tract smooth muscle
|
respiratory connective tissue
|
|
|