| Term | Definition |
| Ectoderm | Forms Epidermis |
| Endoderm | GI tract |
| Ectoderm | Forms Hair and Nails, skin |
| Endoderm | Forms parts of urinary and endocrine system |
| Ectoderm | Forms sensory epithelium of ear, eye, nose |
| Mesoderm | Forms cardiovascular (blood/lymph cells & vessels), walls of heart, and lymphatic system |
| Endoderm | Forms epithelium of tympanic canal and eustachian tube |
| Ectoderm | Forms Enamel |
| Endoderm | Forms tonsils |
| Ectoderm | Forms lens of the eye |
| Mesoderm | Forms Mucoskeletal system (muscles and bones) - connective tissue, cartilage, bone |
| Endoderm | Forms thymus |
| Ectoderm | Forms brain and spinal cord (PNS, CNS) |
| Endoderm | Forms larynx and trachea |
| Mesoderm | deep connective tissue - mesenteries, pleura, peritoneum |
| Mesoderm | kidneys, gonads, their ducts |
| Endoderm | Forms bladder and urethra |
| Endoderm | parenchyma |
| Mesoderm | Forms kidney |
| Ectoderm | assists in formation of the skull |
| Endoderm | epithelium of respiratory system |
| Parenchyma | parathyroid, thyroid, pancreas, liver |
| reticular stroma | tonsils, thymus |
| What layer gives rise to parenchyma? | Endoderm |
| What layer gives rise to reticular stroma? | endoderm |
| subcutaneous sweat glands, mammary glands, pituitary gland, | what glands arise from ectodermal layer? |
| Mesoderm | striated and smooth muscle |
| Mesoderm | reproductive system |
| Mesoderm | spleen |
| GI,epithelium, parenchyma, reticular stroma, epithelial linings of urinary & auditory tracts | Endoderm Summary |
| Sensory epithelium of ear, eye, nose, skin, hair, nails, glads, enamel, CNS, PNS | Ectoderm Summary |
| supporting tissue, deep connective tissue, striated & smooth muscle, kidneys, gonads, their ducts, blood/lymph, walls of heart, spleen | Mesoderm summary |