Stretch growth of integrated axon tracts: Extremes and exploitations
نویسندگان
چکیده
منابع مشابه
Axon Stretch Growth: The Mechanotransduction of Neuronal Growth
During pre-synaptic embryonic development, neuronal processes traverse short distances to reach their targets via growth cone. Over time, neuronal somata are separated from their axon terminals due to skeletal growth of the enlarging organism (Weiss 1941; Gray, Hukkanen et al. 1992). This mechanotransduction induces a secondary mode of neuronal growth capable of accommodating continual elongati...
متن کاملBrief Communication Extreme Stretch Growth of Integrated Axons
Large animals can undergo enormous growth during development, suggesting that axons in nerves and white matter tracts rapidly expand as well. Because integrated axons have no growth cones to extend from, it has been postulated that mechanical forces may stimulate axon elongation matching the growth of the animal. However, this distinct form of rapid and sustained growth of integrated axons has ...
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In a previous study we used the species-specific marker M6 to demonstrate that transplanted mouse embryonic hippocampal neurons grow axons at a rate of at least 1 mm/d for a distance of at least 10 mm along the longitudinal axis of the fimbria in immunosuppressed adult rat hosts. We now show that hippocampal neurons are able to grow comparably long interfascicular axons in two other myelinated ...
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Diffusion tensor imaging allows to investigate white matter structures in vivo which is of particular interest for neurosurgery. However, due to the restricted resolution of the data and due to noise artifacts the analysis of this kind of data is a challenging task. A promising approach for the reconstruction of neural pathways are streamline based approaches commonly referred to as fiber track...
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ژورنال
عنوان ژورنال: Progress in Neurobiology
سال: 2009
ISSN: 0301-0082
DOI: 10.1016/j.pneurobio.2009.07.006