Beginners and seasoned Embryology students will find this presentation insightful and significant. Why? The GNM explains human embryologic development flawlessly. Cohesively every organ, tissue and cell of the body are mapped in a logical sequence that even the novice can effortlessly grasp and begin applying this knowledge instantly. This segment discusses how all the tissues of our organs developed and the significance of the 3 embryonic germ layers in the disease process.