多彩的神经元密质部分位于前景，背景上的明暗模式表明了结构上的差别。
Behind the colorful somata in the foreground, a pattern of light and dark in the background suggests anatomical distinctions.
把更多的颜色，明暗添加在背景上。现在我要添加角的部分，确认他们在灯光下的关系。
More colours, darks and light put into the background. Now I've Introduced the horns, making sure I paint then in respect to the light.
最后就慢慢画明暗细节，调整整个画面色调，场景或背景，我这就偷懒画个投影好了。
Finally I'll do the details on lighting and shadows and adjust the hue of the scene or background. Here I'll just draw a simple shadow for convenience.
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