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Original Articles

Contributions récentes de la cytologie et de la cytochimie à l'étude de l'embryogenèse des Spermaphytes

Pages 5-18 | Published online: 10 Jul 2014
 

Résumé

L'étude bibliographique des résultats cytologiques et cytochimiques les plus récents concernant l'analyse de l'embryogenèse des Spermaphytes a conduit à une meilleure compréhension de certaines caracléristiques cellulaires liées à la fécondation et à la proembryogenèse: transmission des organites durant la fécondation et les premières divisions cellulaires, cytophysiologie du suspenseur et caractéristiques du cycle mitotique des différents territoires embryonnaires.

Summary

The organelles transmission during fertilization, the cytophysiological characteristics of suspensor cells and the special particularities of mitotic cycle in the various regions of the embryo, are discussed in the light of the most recent results in the field of cytological and cytochemical analysis of the embryogenesis of Spermaphytes.

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