| Structure | Germ Layer |
| Lens | |
| Pituitary gland | |
| Muscles | |
| Kidneys | |
| Dermis of skin | |
| Cornea | |
| Blood | |
| Sweat glands | |
| Respiratory epithelium | |
| Nasal epithelium | |
| Hair | |
| Adrenal medulla | |
| Epithelial lining of urogenital organs and ducts | |
| Entire nervous system | |
| Gonads | |
| | Structure | Germ Layer |
| GI glands (liver, pancreas, etc.) | |
| Lymphatic system | |
| Epidermis of skin | |
| Bone | |
| Anal epithelium | |
| Ureters | |
| Oral epithelium | |
| GI tract epithelium (not mouth and anus) | |
| Nails | |
| Connective tissue | |
| Cardiovascular system | |
| Urinary bladder | |
| Reproductive ducts | |
| Sensory receptors | |
|