The second type of differentiation is that between supporting axis and assimilating appendages.
The process is essentially a polar linear action, or differentiation from a common centre.
Of the medusa differs only in greater elaboration and differentiation of the cell-elements, which are also more concentrated to form distinct tissues.
- Another writer of this transition period deserves a passing reference here, namely, Jacob Boehme the mystic, who by his conception of a process of inner diremption as the essential character of all mind, and so of God, prepared the way for later German theories of the origin of the world as the self-differentiation and self-externalization of the absolute spirit.
1.Examples of the differentiation of the cells of plants.