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Ovists

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Ovists 

the 17th- and 18th-century biologists who believed that the adult organism is preshaped in microscopic form within the ovum (see ANIMALCULISTS). Ovists reduced the developmental process to one of simple growth. They included the Italian scientists M. Malpighi and A. Vallisnieri and the Swiss scientists C. Bonnet and A. von Haller.



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Pinto-Correia avoids a chronological account of the development of preformation, rather structuring the book around each of the challenges to preformation in general, illustrating how ovists and spermists responded differently.
Pinto-Correia begins by establishing and explaining the two schools of thought within preformation, which she labels the ovists and the spermists.
Ovists and spermists contended for the honor, an honor which, of course, belongs to neither the ovary of Eve nor the sperm of Adam.
 
 
 
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