Preformism and epigenesis in the history of embryology

Preformism conceives the development of embryo from the existence of a previously formed embryo in the sperm or in the egg; while epigenesis considers that it originates from the development of an amorphous principle, as consequence of the changes that take place with fecundation. To achieve this, t...

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Bibliographic Details
Main Author: Eduardo Antonio Ferrer Casero
Format: Article
Language:Spanish
Published: Centro Provincial de Información de Ciencias Médicas 2016-09-01
Series:Medisan
Subjects:
Online Access:http://medisan.sld.cu/index.php/san/article/view/609