The Greek word “organon” means a tool. “Organography” is, therefore, the detailed description of the “tools” or organs with which animals and plants (Goebel 1913/1923) perform their functions of life. The accounts of organography are based on macroscopic facts and on observations made with the light microscope. With this instrument it was discovered that not only on the histological level but also on the cytological level there are differentiations which guarantee a division of work inside the cell.
KeywordsGreek Word Histological Level Cytological Level Short Inventory Periderm Cell
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