Results 311 to 320 of about 381,188 (336)
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Development, 1993
ABSTRACT The Drosophila position specific (PS) integrins consist of two cell surface heterodimers, PS1 (αPS1βPS) and PS2 (αPS2βPS), which are expressed on complementary sides of attachments between cell layers and are essential for these attachments.
Olga M. Dunin-Borkowski +3 more
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ABSTRACT The Drosophila position specific (PS) integrins consist of two cell surface heterodimers, PS1 (αPS1βPS) and PS2 (αPS2βPS), which are expressed on complementary sides of attachments between cell layers and are essential for these attachments.
Olga M. Dunin-Borkowski +3 more
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Morphogenesis of the Acanthocephala
International Journal for Parasitology, 1987Abstract Postzygotic development of acanthocephalans is described. The major conclusion that can be drawn is that there has been a great deal of speculation, and that there are still many questions left unanswered. For example, exactly when does the acanthor become a complete syncytium? Is the formulation of the central nuclear mass really homologous
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Signaling in morphogenesis: transport cues in morphogenesis
Current Opinion in Biotechnology, 2003Extracellular transport processes play critical roles in morphogenesis. While diffusive transport effects on morphogenesis are well illustrated in examples like blood capillary architecture and in cell morphogenetic responses to the local extracellular protein environment, the effects of fluid convection, although important in many developing and ...
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Morphogenesis by symbiogenesis.
International microbiology : the official journal of the Spanish Society for Microbiology, 1998Here we review cases where initiation of morphogenesis, including the differentiation of specialized cells and tissues, has clearly evolved due to cyclical symbiont integration. For reasons of space, our examples are drawn chiefly from the plant, fungal and bacterial kingdoms.
Chapman, Michael, Margulis, Lynn
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On the morphogenesis of ulegyria
Acta Neuropathologica, 1981An 11 day old premature infant survived 8 days after a cardiac arrest. At necropsy, the infant's brain showed cortical arteries surrounded by cuffs of viable neurones, while the cortex between these arteries was necrotic. This appearance suggests that the pattern of nodules of neurones separated by radial bands of scar seen in ulegyria is probably the ...
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1989
The flaviviruses consist of about 70 viruses that include some important pathogens that are responsible for a number of serious diseases, such as yellow fever, dengue fever, and various encephalitides (Porterfield, 1980; Shope, 1980). They are transmitted to humans by arthropod vectors, i.e., mosquitoes and ticks (Chamberlain, 1980) and are also called
P. L. Summers +3 more
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The flaviviruses consist of about 70 viruses that include some important pathogens that are responsible for a number of serious diseases, such as yellow fever, dengue fever, and various encephalitides (Porterfield, 1980; Shope, 1980). They are transmitted to humans by arthropod vectors, i.e., mosquitoes and ticks (Chamberlain, 1980) and are also called
P. L. Summers +3 more
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MORPHOGENESIS OF ARTERIOSCLEROSIS
Acta Pathologica Japonica, 1968The basic process in the morphogenesis of arteriosclerosis consists of proliferation and insudation in the intima, and varied combinations of these two processes produce various types of arteriosclerotic lesions.The morphogenesis of atherosclerosis is considered to be as follows: Atheroma is formed by the infiltration of blood plasma lipids into the ...
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The Morphogenesis of Constitutionalism
2010Abstract This chapter argues that it is possible and necessary to talk about processes of constitutional morphogenesis. Morphogenesis is a socio-cultural cycle, whereby a given institutional and cultural structure gives rise — through cultural and structural interactions activated by societal actors — to new forms (morphogenesis) or ...
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Bioelectromagnetics in morphogenesis
Bioelectromagnetics, 2003AbstractUnderstanding the factors that allow biological systems to reliably self‐assemble consistent, highly complex, four dimensional patterns on many scales is crucial for the biomedicine of cancer, regeneration, and birth defects. The role of chemical signaling factors in controlling embryonic morphogenesis has been a central focus in modern ...
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Morphogenesis inMicrasterias [PDF]
Protoplasma, 1976 The morphogenetic process responsible for elaboration of cell wall shape in dividing Micrasterias rotata cells is described and the associated ultrastructure discussed. The process is dissected experimentally into its contributing parts; laser microbeam studies reveal the growth sites responsible for morphogenesis, and autoradiography, the associated ...
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