Results 221 to 230 of about 7,362,319 (231)
Endosperm cell number in barley [PDF]
Nature, 1981 Grain weight is one of the major components of grain yield and it has been suggested that in wheat, final grain weight may be a function of endosperm cell number1. If grain weight is to be increased by increasing the rate and/or duration of endosperm cell division, it is important to establish the stage of development at which maximum endosperm cell ...
M. P. Cochrane, C. M. Duffus
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Genetic control of NKT cell numbers
Immunology & Cell Biology, 2004NKT cells play a critical role in shaping the character and strength of a wide range of immune responses, including those against pathogens, tumours, allografts and autologous tissues. Because numbers of NKT cells affect clinical outcomes in a wide range of disease models, and this characteristic demonstrates allelic variation, the mapping of the ...
Jordan, Margaret A. +2 more
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Cell number and cell characteristics of the normal human lung.
The American review of respiratory disease, 1982Eight normal human lungs obtained from patients dying from causes not related to the lung were subjected to morphometric analysis to determine the number of cells in the alveolar region and their mean volume and surface characteristics. The age range was 19 to 40 yr, average body weight was 74 kg, and the average fixed lung volume was 4,300 ml.
Marianne Bachofen +4 more
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Are Cell Number and Cell Proliferation Risk Factors for Cancer?1
JNCI Journal of the National Cancer Institute, 1988Relatively little is known about the mechanisms underlying carcinogenesis in humans. Caloric restriction strongly inhibits the development of neoplasia in rodents, and there is evidence of a positive relationship between cancer and body weight in humans. Caloric restriction early in life is also known to permanently diminish organ cellularity. A recent
Demetrius Albanes, Myron Winick
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Cell-cycle regulation by numbers [PDF]
Nature, 1994 A mathematical model of the cell cycle, of great interest in itself, may be a first step towards the much more ambitious models people will be building in the decades ahead.
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International Journal for Numerical Methods in Fluids, 1985
AbstractThe commonly accepted linear stability analysis for the forward‐time centred‐space (FTCS) algorithm applied to the transport equation has led to the concept of a cell Reynolds number restriction on the spatial grid size. This paper shows where the commonly accepted original analysis is in error and presents the correct stability restrictions ...
Brent W. Webb +2 more
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AbstractThe commonly accepted linear stability analysis for the forward‐time centred‐space (FTCS) algorithm applied to the transport equation has led to the concept of a cell Reynolds number restriction on the spatial grid size. This paper shows where the commonly accepted original analysis is in error and presents the correct stability restrictions ...
Brent W. Webb +2 more
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T Cell Activation Determined by T Cell Receptor Number and Tunable Thresholds
Science, 1996The requirements for T cell activation have been reported to vary widely depending on the state of the T cell, the type of antigen-presenting cell, and the nature of the T cell receptor (TCR) ligand. A unitary requirement for T cell responses was revealed by measurement of the number of triggered TCRs.
Viola, A, Lanzavecchia, A
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Cell tails: A surprising number
New Scientist, 2013More than 99 per cent of human cell types have tails.
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Decreased number of Langerhans cells in basal cell carcinoma
Journal of the European Academy of Dermatology and Venereology, 2009Helena Rotsztejn +2 more
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