منابع مشابه
Growth and size control during development
The size and shape of organs are characteristic for each species. Even when organisms develop to different sizes due to varying environmental conditions, such as nutrition, organ size follows species-specific rules of proportionality to the rest of the body, a phenomenon referred to as allometry. Therefore, for a given environment, organs stop growth at a predictable size set by the species's g...
متن کاملHierarchical Size Scaling during Multicellular Growth and Development.
Multicellular organisms must regulate their growth across the diverse length scales of biological organization, but how this growth is controlled from organelle to body, while coordinating interdependent functions at each scale, remains poorly understood. We utilized the C. elegans worm intestine as a model system to identify distinct allometric scaling laws, revealing that the growth of indivi...
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in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...
15 صفحه اولSize Control in Animal Development
the transplanted spleens attains the mass of one normal “The most obvious differences between different aniadult spleen, suggesting that their growth is mainly conmals are differences in size, but for some reason the trolled by factors outside the spleen (Metcalf, 1964). zoologists have paid singularly little attention to them.” Similar transplantation experiments, as well as tissue —J. B. S. H...
متن کاملCell Growth: Control of Cell Size
SYNAPTIC PLASTICITY—THE DYNAMIC MODIFICATION of functional synaptic strength between neurons of the central nervous system—is generally believed to be a physical mechanism underlying learning and memory.An individual neuron in the mammalian CNS may contain up to 10,000 synaptic connections. Furthermore, small groups of synapses can be independently regulated: Synaptic enhancement induced at one...
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ژورنال
عنوان ژورنال: Open Biology
سال: 2017
ISSN: 2046-2441
DOI: 10.1098/rsob.170190