“Pattern formation” papers

Pattern Formation

National Cancer Institute · Definitions · 2020

Pattern Formation is a developmental morphogenetic process that establishes basic configurations of cellular organization necessary for further and accurate development of the spatial arrangements of embryonic tissue.

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Pattern formation

Hui Yu A, Adeline Seah A, Michael A. Herman B et al. · 2008

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Pattern formation

FUJIWARA KANJI, MORIMOTO MASAHIRO · Institutional Repository of Xi'an Institute of Optics and Fine Mechanics, Chinese Academy of Sciences (Xian Institute of Optics and Precision Mechanics) · 1985

PURPOSE:To optimize the processing time without taking out a processed semiconductor substrate from developer so often by a method wherein a pattern is formed by selectively removing a resist film while the shape of the pattern is monitored with diffraction light of light flux. CONSTITUTION:The semiconductor substrate 11 is coated with resist, which is passed through processes by the conventional technique, and the exposure of the stripe pattern is performed with the two-flux interference method using a light flux of He-Cd laser. For the purpose of developing this resist film 12, the substrate is dipped in the developer 14 by the conventional technique. The light flux of He-Ne laser is made incident to the resist film 12 being under development, and the strength of its primary diffraction light shown by broken lines is monitored. As the development advances, the diffraction light is detected with the gradual increase in strength. At the point of maximum, the substrate 11 is taken out of the developer 14 and rinsed by the usual method, and then the substrate is etched by using the pattern-formed resist film as a mask.

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Pattern formation

Hoyle, RB · View · 2006

Fully illustrated mathematical guide to pattern formation. Includes instructive exercises and examples.

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Pattern formation

Yasumasa Nishiura · Translations of mathematical monographs · 2002

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Pattern Formation

Jürgen Jost · Universitext · 2014

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Pattern formation.

Woychik, R., Hogan, B., Bryant, S. et al. · MPG.PuRe (Max Planck Society) · 1997

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pattern formation

B. Greese, K. Wester R. Bensch, O. Ronneberger et al. · 2011

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Pattern formation

Hoyle, RB · Surrey Research Insight Open Access (The University of Surrey) · 2006

Fully illustrated mathematical guide to pattern formation. Includes instructive exercises and examples.

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PATTERN FORMATION

All B. Widelitz, Ruth E. Baker, Maksim Plikus et al. · 2013

Patterns form with the break of homogeneity and lead to the emergence of new structure or arrangement. There are different physiological and pathological mechanisms that lead to the formation of patterns. Here, we first introduce the basics of pattern formation and their possible biological basis. We then discuss different categories of skin patterns and their potential underlying molecular mechanisms. Some patterns, such as the lines of Blaschko and Naevus, are based on cell lineage and genetic mosaicism. Other patterns, such as regionally specific skin appendages, can be set by distinct combinatorial molecular codes, which in turn may be set by morphogenetic gradients. There are also some patterns, such as the arrangement of hair follicles (hair whorls) and fingerprints, which involve genetics as well as stochastic epigenetic events based on physiochemical principles. Many appendage primordia are laid out in developmental waves. In the adult, some patterns, such as those involving cycling hair follicles, may appear as traveling waves in mice. Since skin appendages can renew themselves in regeneration, their size and shape can still change in the adult via regulation by hormones and the environment. Some lesion patterns are based on pathological changes involving the above processes and can be used as diagnostic criteria in medicine. Understanding the different mechanisms that lead to patterns in the skin will help us appreciate their full significance in morphogenesis and medical research. Much remains to be learned about complex pattern formation, if we are to bridge the gap between molecular biology and organism phenotypes. Birth Defects

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Pattern Formation

Thomas E. Hall · 2020

Pattern formation during development refers to the processes by which the structure of the organism is spatially and temporally organised. All teleosts show a discoidal meroblastic cleavage pattern, where the large yolk volume restricts cell division to a small area at the animal pole. The process of gastrulation in teleosts is associated with a cell movement called epiboly, where the blastoderm spreads over the yolk from the animal pole, eventually enveloping the entire mass. The ectodermal layer which, following gastrulation is the outermost tissue layer of the embryo, gives rise to the neural tissues, sensory organs, pigment cells, placodal tissues and the epidermis. Neural crest cells are unusual in that they delaminate from the neuroepithelium during neurulation, and undergo long-range migrations throughout the embryo to form a variety of cell types, such as most of the peripheral nervous system, all epidermal pigment cells and much of the head skeleton.

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Pattern formation

Physics Subject Headings (PhySH) · 2018

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Pattern Formation

Paola Flocchini, Giuseppe Prencipe, Nicola Santoro · Synthesis lectures on distributed computing theory · 2012

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Pattern formation

J. K. Percus, Stephen Childress · Courant lecture notes in mathematics · 2015

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PATTERN FORMATION

All B. Widelitz, Ruth E. Baker, Maksim Plikus et al. · 2008

Patterns form with the break of homogeneity and lead to the emergence of new structure or arrangement. There are different physiological and pathological mechanisms that lead to the formation of patterns. Here, we first introduce the basics of pattern formation and their possible biological basis. We then discuss different categories of skin patterns and their potential underlying molecular mechanisms. Some patterns, such as the lines of Blaschko and Naevus, are based on cell lineage and genetic mosaicism. Other patterns, such as regionally specific skin appendages, can be set by distinct combinatorial molecular codes, which in turn may be set by morphogenetic gradients. There are also some patterns, such as the arrangement of hair follicles (hair whorls) and fingerprints, which involve genetics as well as stochastic epigenetic events based on physiochemical principles. Many appendage primordia are laid out in developmental waves. In the adult, some patterns, such as those involving cycling hair follicles, may appear as traveling waves in mice. Since skin appendages can renew themselves in regeneration, their size and shape can still change in the adult via regulation by hormones and the environment. Some lesion patterns are based on pathological changes involving the above processes and can be used as diagnostic criteria in medicine. Understanding the different mechanisms that lead to patterns in the skin will help us appreciate their full significance in morphogenesis and medical research. Much remains to be learned about complex pattern formation, if we are to bridge the gap between molecular biology and organism phenotypes. Birth Defects

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