VII. Spiritual-Scientific Foundations for a True Physiology

We have such inwardly growing onions in common with all animals. Even the lowest forms, which have slimy, primitive shapes, possess sensory nerves that end in a kind of onion on the surface. The higher we ascend toward man, the more are certain of these nerve onions transformed in a specific manner. The nerves of the taste buds, for example, are such transformed skin nerves.