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recapitulation |
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recapitulation, theory, stated as the biogenetic law by E. H. Haeckel Haeckel, Ernst Heinrich (ĕrnst hīn`rĭkh hĕ`kəl), 1834–1919, German biologist and philosopher. ..... Click the link for more information. , that the embryological development of the individual repeats the stages in the evolutionary development of the species. For example, the beginnings of gill clefts appear in both humans and fish, but while they are elaborated and eventually function in the fish, in humans, except for the modified gill cleft that becomes the Eustachian tube, they disappear as the embryo develops. Though drastically modified and qualified since its proposal, the historical significance of this theory—"ontogenesis recapitulates phylogenesis"—is that with its appearance it lent support to the theory of evolution evolution, concept that embodies the belief that existing animals and plants developed by a process of gradual, continuous change from previously existing forms. This theory, also known as descent with modification, constitutes organic evolution. ..... Click the link for more information. by seeming to corroborate it. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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If this analogy to the soul were pushed, then this would appear to resemble metempsychosis (the transmigration of souls), or at least palingenesis (the continual rebirth of souls), either of which would be a heresy in Christian terms, since souls were supposed to be created ex nihilo. In the eighteenth century, the chemical philosophy flourished "beyond the establishment" in a host of minor works on transmutation, palingenesis, and other "miracles of nature," but within mainstream science and medicine the Paracelso-Helmontians were a decided minority. |
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palingenesis
