Organs Derived From Germ Layers Of Embryo
| Ectoderm | Mesoderm | Endoderm |
| Skin (epidermis) together with their paint cells, hairs, nails. | Connective tissues, superficial together with deep fascia, ligaments, tendons, dermis of pare (from dermatotome) | Epithelial role of mouth, to a greater extent than or less role of palate, tongue, tonsils, pharynx, oesophagus, stomach, little together with large intestines, upper role of anal canal. |
| Mucosal membrane of lips, cheek, gums, basal part of mouth, to a greater extent than or less parts of palate, nasal apertures. | Specialized connector tissues similar adipose tissue, reticular tissues, bones, cartilages. | Pharyngo-tympanic tube, middle ear, inner human face upwards of tympanic membrane |
| Lower role of anal canal. | Teeth | Respiratory tract |
| Glans penis. | All muscles | Gall bladder, pancreatic duct |
| Labia majora together with outer role of labia minora. | Heart, all blood vessels together with blood cells | Major part of urinary bladder, consummate urethra of woman soul posterior part, consummate urethra of manly soul except anterior together with posterior part. |
| Anterior epithelium of cornea, epithelium of conjunctiva, ciliary trunk together with iris of eyes, lens. | Kidneys, ureters, urinary bladder, posterior urethra of female, upper glandular role of prostate | Whole inner role of vagina including inner human face upwards of labia minora |
| Outer human face upwards of tympanic membrane, epithelium of labyrinth. | Ovaries, uterine tubes Testes, epididymis, vas deferens together with seminal vesicles, ejaculatory duct | Glands: Exocrine: Liver, pancreas Endocrine: Thyroid, parathyroid, thymus, islets of Langerhans Glands of gastro-intestinal tract, major role of prostate etc. |
| Glands: Exocrine: Sweat glands, sebaceous glands, parotid glands, mammary glands, lachrymal glands Endocrine: Hypophysis cerebri, adrenal medulla | Pleural cavities, peritoneal cavity together with pericardial cavity | |
| Enamel of teeth. | Joints | |
| Nervous system. | Cornea, sclera, choroid, ciliary trunk together with iris related material | |
| | Microglia, dura mater etc | |
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