Ectoderm	Mesoderm	Endoderm
epidermis of skin hair, nails, sweat glands enamel of teeth lining of nasal cavity, anus nervous system, including brain cornea, lens, retina of eye adrenal medulla posterior pituitary gland portions of all sense organs	dermis of skin all connective tissues bone marrow all muscle tissue kidneys and ureters testes and ovaries adrenal cortex lining of blood vessels lymphatic tissue, vessels	mucosa of digestive tract alveoli of lungs tonsils liver and pancreas thyroid and parathyroid glands lining of urinary bladder lining of urethra, vagina anterior pituitary gland thymus gland