Titlebook: Experimental Embryology in Aquatic Plants and Animals; Hans-Jürg Marthy Book 1990 Springer Science+Business Media New York 1990 Embryo.dev

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Genetic Alterations in Human Tumors,mals have been a favoured material for over a century and despite the recent surge of interest in mammals, they remain to be advantageous models, not only for the study of the fertilization process in its own right, but also as models for a wide variety of basic problems in cell biology.

AUGUR

Descriptive and Experimental Embryology of the Turbellaria: Present Knowledge, Open Questions and Fue gut and surrounds the internal organs. It consists of several non proliferating differentiated cell types and a particular class of undifferentiated mitotic cells usually called neoblasts (for a quantitative analysis of cell types, see Baguña and Romero, 1981; Romero, 1987).

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FILTH

Candace E. Elliott,Barbara J. Howlettlar organization of multicellular organisms directs the specialization of previously undifferentiated cells at distinct sites. It is a prerequisite for development of a specialized organism. Without a polar organization there can be no differentiation.

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Hyaluronic-Acid

Sally G. Pasion,Susan L. Forsburgis review will emphasize how these algal systems have been used to understand various developmental processes, as well as their potential for further contributions to these research areas in the next several decades. The focus will be on three main developmental processes related to the experi mental embryology of aquatic plants;

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The Activation of Maize Controlling Elementsbecause they have been, and still are, the most widely used turbellarian in experimental research, particularly with regards to regeneration (see Brønsted, 1969, and Gremigni, 1988, for general references).