منابع مشابه
Cellular mechanisms of morphogenesis.
The development and functions of multicellular organisms ely on the local activities of cells and molecules. Advances in icroscopy have made it possible to visualize directly dynamic ssemblies of cells as they grow, divide, and morph into the recgnizable structures that make up a fully formed animal. However, he rules that determine how cells interact, and how these interacions produce the elab...
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Many of the major discoveries in the fields of genetics and developmental biology have been made using the fruit fly, Drosophila melanogaster. With regard to heart development, the conserved network of core cardiac transcription factors that underlies cardiogenesis has been studied in great detail in the fly, and the importance of several signaling pathways that regulate heart morphogenesis, su...
متن کاملPathways of Cellular Morphogenesis
Evidence is presented to show that a given change in cell form or size may generally be brought about by a variety of patterns of local surface distortion and expansion. Structural and chemical features of the cell which are important in morphogenesis may thus be expected to relate not to form per se but to the kinetics of surface behavior which establish form. These kinetics evaluate both the ...
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متن کاملMechanisms of Morphogenesis
Forming an epithelium requires a mechanism for generating and maintaining a well-ordered array of cells. Now, two groups have uncovered a surprising strategy fororganizingcellswithinanepitheliumandcounteractingovercrowding. Marinari et al. (2012) and Eisenhoffer et al. (2012) show that cells are stochastically extruded fromdenselypacked regionsofgrowing tissues.Although active extrusionofapopto...
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ژورنال
عنوان ژورنال: Scholarpedia
سال: 2008
ISSN: 1941-6016
DOI: 10.4249/scholarpedia.3615