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growth cone |
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growth cone [′grōth ‚kōn] (neuroscience) A specialized structure at the end of a growing nerve fiber that guides the fiber to its destination during the development of the nervous system by means of interaction with signaling molecules in its surroundings and its own motile mechanism. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The investigators report that in lab dishes, the drugs affect nerve cell extensions known as growth cones by, for example, increasing their size. New evidence shows that while collapsin repulses some tips, called growth cones, it attracts others, says Tessier-Lavigne. Viewed microscopically, the axon tips - called growth cones - reached toward the netrin-secreting engineered cells. |
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