Die Zelle und die Gewebe (Vol. 2/2) : Grundzüge der allgemeinen Anatomie und…
"Die Zelle und die Gewebe (Vol. 2/2)" by Oscar Hertwig is a scientific treatise written in the late 19th century. It advances a cell-centered account of tissue anatomy and physiology and proposes a “theory of Biogenesis” that contrasts with epigenesis, germ-plasm, and mosaic-development doctrines. The work emphasizes causality in biology, division of labor and integration among cells, the roles of external and internal factors in development, and problems of heredity, all focused
on how cells organize into tissues and organs. The opening of this work explains the delay since the first volume, situates the book amid contemporary debates (notably against Weismann’s Neo-Darwinism and Roux’s developmental mechanics), and states the aim: to treat the physiological side of development and ground a theory centered on the cell. A broad table of contents signals topics from levels of individuality and cell communication to causality, external and internal developmental factors, growth, form, and heredity. The first chapter sets the task of moving from the autonomous cell to cells in association, dividing the book into a general theory of multicellular organization and a special histology of tissues (structure, development, function). The second chapter defines physiological versus morphological individuals, rejects extending “individual” to organs or genealogical series, and develops three “orders” of individuality: species-cells as elemental units; second-order aggregates ranging from loose colonies to syncytia and, at the highest level, true cellular associations enabling greater differentiation; and third-order stocks (from loose hydroid colonies to tightly integrated siphonophores with division of labor). At the start of the third chapter, the author introduces vegetative affinity—conspecific cells’ tendency to unite—demonstrated by plant grafting and by animal transplantation and blood transfusion, underscoring that tissues bear both visible functional traits and hidden, species-specific constitutional properties that govern compatibility. (This is an automatically generated summary.)
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About this eBook
| Author | Hertwig, Oscar, 1849-1922 |
|---|---|
| Title | Die Zelle und die Gewebe (Vol. 2/2) : Grundzüge der allgemeinen Anatomie und Physiologie |
| Original Publication | Jena: Fischer, 1893, pubdate 1898. |
| Credits | Peter Becker and the Online Distributed Proofreading Team at www.pgdp.net (This file was produced from images generously made available by The Internet Archive) |
| Language | German |
| LoC Class | QH: Science: Natural history |
| Subject | Physiology |
| Subject | Anatomy |
| Subject | Cells |
| Category | Text |
| eBook-No. | 77679 |
| ISBN (HTML) | 979-8-238-77679-8 |
| Release Date | Jan 12, 2026 |
| Copyright | Public domain in the USA. |
| Downloads | 316 downloads in the last 30 days. |
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