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Graphical

Growth coneCell projection

Definition

The growth cone is a dynamic cell protrusion at the tip of the extending axon or dendrite. Neuron extends a specialized structure, the growth cone, to find targets in the wiring of the nervous system. The growth cone explores its environment by extending dynamic filopodia. Growth cone is composed of an ensemble of protruding and retracting veils (lamellipodia), net growth cone advance may be considered the vector sum of all veil's motility behavior in response to their local environments. Filopodia play a key role in delimiting veils and serving to nucleate the formation of new veils.

Category

› Cellular component

GOi

growth cone [ GO:0030426 ]
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