Lecture X
What has its course in the nerve must remain in the nerve, and what has its course in the blood must remain in the blood. If what belongs in the blood trespasses into what is adjacent to it, inflammatory conditions arise. When what belongs in the nerve trespasses into what is adjacent to it, all kinds of formations arise which can be grouped together under the designation of swelling-formations. The aim must be to establish the correct rhythm between the processes in the nervous system and the processes in the system of the blood.
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