| Pigmented retina | Develops from neural tube ectoderm |
| Sensory retina | neural tube ectoderm |
| Brain | neural tube ectoderm |
| Spinal cord | neural tube ectoderm |
| Skeletal muscles | myotomes of somites, paraxial mesoderm |
| Epidermis | somatic ectoderm |
| Hair | somatic ectoderm |
| Feathers | somatic ectoderm |
| (Reptile) scales | somatic ectoderm |
| Heart | Lateral plate mesoderm |
| Adult kidney | Metanephros; posterior part of intermediate mesoderm |
| Motor nerves | Neural tube ectoderm |
| Sensory nerves | Neural crest ectoderm |
| Schwann cells | Neural crest ectoderm |
| Postganglionic autonomic nerves | Neural crest ectoderm |
| Facial Skeleton | Neural crest ectoderm |
| Skeleton in the rest of the body | Sclerotome off somites, and also lateral plate mesoderm |
| Pituitary gland | Partly from stomodeal, somatic ectoderm |
| Salivary glands | Most are endoderm; one pair may be stomodeal ectoderm |
| Thyroid gland | Endoderm |
| Lungs | Endoderm (plus some mesodermal mesenchyme) |
| Liver | Endoderm (plus some mesodermal mesenchyme) |
| Pancreas | Endoderm (plus some mesodermal mesenchyme) |
| Intestine | Endoderm (plus some mesodermal mesenchyme) |
| Stomach | Endoderm (plus some mesodermal mesenchyme) |
| Capillaries, veins, arteries | Mesoderm (mostly or all from lateral plate mesoderm) |