preformationist


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preformationist

(ˌpriːfɔːˈmeɪʃənɪst)
n
(Biology) someone who advocates the theory of preformation
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References in periodicals archive ?
What resulted was an embryological view of childhood, the supersession of preformationist accounts of how children grew, and a dramatic alteration of the philosophy of child-rearing.
Instead, Maisano makes an ambitious yet deeply flawed argument that Milton's theodicy in Paradise Lost is rooted in the "psycho-physical dualism" of Descartes, an argument that fails to address compelling, pervasive evidence of Milton's monism and also misreads Adam as a kind of automaton lacking free will simply because he has sprung to life fully formed (this might make Milton a preformationist, but it certainly doesn't make him a Cartesian dualist).
On the other hand, while for most of his career, Kant had been a preformationist, following from the work of Caspar Friedrich Wolff's (1733-1794) Theoria Generationis (1759) and Johan Friedrich Blumenbach's (1752-1840) Institutiones Physiologicae (1787), Kant only gradually came to articulate the superiority of the theory of epigenesis over that of preformation.
A famous eighteenth-century illustration of the preformationist view depicts a tiny man squatting in the head of a sperm, his own head either replaced by or enclosed in an oversized bulge.
those of epigenetic development that were expanding in Germany, were not yet accepted by French biologists: most of them were still impregnated by preformationist ideas.
The palingenetic model of return would supply a theosophical and preformationist model for understanding life cycles.
On the empiricist side, unless one believes that there is a little heart, or brain, or metabolic process, or behavior, or idea embedded in the DNA molecule (as a preformationist view of development would suggest), it is a patent truth that genes only code for the building of proteins.
Preformationist and epigenetic biases in the history of the morphological character concept.