Leg Axon Visualization
Leg Axon Visualization - Related Videos
08:33
Visualize Drosophila Leg Motor Neuron Axons Through the Adult Cuticle
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Cited by 14 •
2018
Here we describe a protocol to visualize the axonal targeting with a florescent protein in adult legs of Drosophila by fixation, mounting, imaging, and post-imaging steps.
05:58
In vivo Visualization of Synaptic Vesicles Within Drosophila Larval Segmental Axons
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Cited by 16 •
2010
This protocol discusses the live dissection of Drosophila larvae for the purpose of imaging the movement of GFP tagged axonal vesicles on microtubule tracks.
11:56
Visualization of the Axonal Projection Pattern of Embryonic Motor Neurons in Drosophila
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Cited by 4 •
2017
This work details a standard immunohistochemistry method to visualize motor neuron projections of late stage-16 Drosophila melanogaster embryos. The filleted preparation of fixed embryos stained with FasII antibody provides a powerful tool to characterize the genes required for motor axon pathfinding and target recognition during neural development.
03:40
Imaging of Fluorescently-Labeled Motor Neurons in an Adult Drosophila Leg
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2025
Source: Guan, W., et. al. Visualize Drosophila Leg Motor Neuron Axons Through the Adult Cuticle. J. Vis. Exp. (2018) This video demonstrates imaging of Drosophila legs with green fluorescent protein-expressing motor neurons using confocal microscopy. A laser and two detectors capture GFP and cuticle autofluorescence. Images are processed by splitting channels, subtracting autofluorescence, and merging into a colored composite image to visualize axons within the leg segment.
10:00
Physiological Recordings of High and Low Output NMJs on the Crayfish Leg Extensor Muscle
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Cited by 13 •
2010
This article demonstrates how to conduct electrophysiological recordings of synaptic responses on the extensor muscle in the walking leg of a crayfish and how the nerve terminals are visualized to show the gross morphological differences of high- and low-output nerve terminals.
FAQs
Fluorescent labels and antibody-based stains create visible signals associated with axons in leg tissues. Microscopy then resolves their trajectories, branching patterns, and terminal connections. This distinction matters because it lets investigators examine whether axons follow expected paths and reach appropriate neuromuscular targets, rather than merely confirming that neural tissue is present.
These measurements provide complementary structural readouts. Axon position indicates where pathways travel, density reflects the amount or concentration of labeled axonal material, and connectivity describes relationships with branches or terminal contacts. Together, the measures help connect anatomical organization with possible movement and neural function, especially when comparing different experimental conditions.
The approach makes both motor and sensory pathways accessible for structural analysis within leg tissues. Traced trajectories and terminal connections can show how these pathways are organized and where they form contacts. Examining these patterns helps researchers relate peripheral circuit architecture to neuromuscular interactions and to the neural control or sensing associated with leg function.
Comparisons reveal whether a perturbation changes axon position, density, branching, guidance, or terminal connectivity. Genetic and pharmacological manipulations can expose factors that influence neural organization, while injury-related changes can indicate disruption or regeneration. The resulting structural differences provide evidence linking the experimental condition to altered peripheral neural circuits.
A typical workflow applies fluorescent labeling or antibody-based staining to leg tissues, images the labeled structures with microscopy, and traces axons through the tissue. Researchers then evaluate trajectories, branching, terminal connections, position, or density. This sequence converts labeled anatomical features into measurements that can be compared across developmental, experimental, or perturbation conditions.
The essential components are leg tissues containing the axons of interest, fluorescent labels or antibodies for staining, and microscopy capable of detecting the resulting signals. These components work together to make axonal paths and terminal contacts visible. The quality and interpretability of the study depend on obtaining images that support tracing and structural comparison.
It is useful for examining axon development, regeneration, and changes associated with genetic, pharmacological, or injury-related conditions. Researchers can assess whether these contexts alter guidance, branching, density, or neuromuscular contacts. The method therefore supports studies that seek to connect changes in peripheral axon structure with circuit organization and movement-related neural function.