nerve growth cone


nerve growth cone

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • growth cone — n the specialized motile tip of an axon of a growing or regenerating nerve cell * * * a bulbous enlargement of the growing tip of an axon …   Medical dictionary

  • growth cone — growth′ cone n. cbl a flattened neuronal area, at the ends of growing axons and dendrites, having radiating structures that guide the pathways of embryonic nerve fibers …   From formal English to slang

  • Growth cone — Image of a fluorescently labeled growth cone extending from an axon F actin (red) microtubules (green). A growth cone is a dynamic, actin supported extension of a developing axon seeking its synaptic target. Their existence was originally… …   Wikipedia

  • growth cone — noun : the specialized motile tip of an axon of a growing or regenerating nerve cell * * * Cell Biol. a flattened area at the end of a growing axon or dendrite, having radiating filopodia and lemellopodia that function as guides for the outgrowth …   Useful english dictionary

  • growth cone — Cell Biol. a flattened area at the end of a growing axon or dendrite, having radiating filopodia and lemellopodia that function as guides for the outgrowth of embryonic nerve fibers. * * * …   Universalium

  • Nerve guidance conduit — A nerve guidance conduit (also referred to as an artificial nerve conduit or artificial nerve graft, as opposed to an autograft) is an artificial means of guiding axonal regrowth to facilitate nerve regeneration and is one of several clinical… …   Wikipedia

  • Cone — A type of specialized light sensitive cell (photoreceptor) in the retina of the eye that provide sharp central vision and color vision. By contrast, the rods are the retinal photoreceptors that provide side vision and the ability to see objects… …   Medical dictionary

  • semaphorins — Family of proteins that mediate neuronal guidance by inhibiting nerve growth cone movement. Both transmembrane and secreted proteins are included and many domains of the proteins are highly conserved between invertebrates and vertebrates. Most… …   Dictionary of molecular biology

  • retino-tectal connection — A problem that has exercised developmental biologists is the way in which nerve fibres from the developing retina are ‘mapped’ on to the tectum of the brain. There seems to be a good positioning system in operation, and a variety of mechanisms… …   Dictionary of molecular biology

  • collapsin — Glycoprotein (100 kD) from chick brain that may act as a repulsive cue in development and inhibit regeneration of mature neurons. Causes the collapse of the nerve growth cone at picomolar concentrations. Has a domain with sequence homology to… …   Dictionary of molecular biology


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