Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Synaptoid profiles in regenerating crustacean peripheral nerves.

R H Nordlander, M Singer

    Cell and Tissue Research
    |February 27, 1976
    PubMed
    Summary

    Regenerating crayfish nerves exhibit unique synapse-like structures with electron-lucent vesicles. These findings offer insights into nerve regeneration and invertebrate neurobiology.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Injection, confinement, and diagnosis of electrons and positrons in a permanent magnet dipole trap.

    The European physical journal. D, Atomic, molecular, and optical physics·2024
    Same author

    The utility of parathyroid autofluorescence as an adjunct in thyroid and parathyroid surgery 2023.

    Head & neck·2023
    Same author

    Difficult diagnosis in the ICU: making the right call but beware uncertainty and bias.

    Anaesthesia·2023
    Same author

    Reducing broad-spectrum antibiotic use in intensive care unit between first and second waves of COVID-19 did not adversely affect mortality.

    The Journal of hospital infection·2022
    Same author

    Non-neutral plasma manipulation techniques in development of a high-capacity positron trap.

    The Review of scientific instruments·2022
    Same author

    The profiling of microbiota in vaginal swab samples using 16S rRNA gene sequencing and IS-pro analysis.

    BMC microbiology·2021

    Area of Science:

    • Neuroscience
    • Cell Biology
    • Invertebrate Zoology

    Background:

    • Peripheral nerve regeneration is crucial for functional recovery.
    • Understanding cellular mechanisms in invertebrates provides comparative insights.
    • Synaptic structures are fundamental to neural communication.

    Purpose of the Study:

    • To characterize novel synapse-like structures in regenerating crayfish peripheral nerves.
    • To investigate the morphology and potential function of these structures.
    • To compare these findings with known synaptic and synaptoid configurations.

    Main Methods:

    • Electron microscopy was used to examine the ultrastructure of regenerating crayfish nerves.
    • Morphological analysis focused on vesicle aggregates and membrane specializations.
    • Comparative analysis was performed with existing literature on neuronal junctions.

    Main Results:

    • Identified synapse-like structures with electron-lucent vesicles (250-600 A) adjacent to thickened presynaptic membranes.
    • Observed these synaptoid profiles interfacing with axons, glial processes, and extracellular material.
    • Noted the absence of postsynaptic specializations in junctions with cellular elements.

    Conclusions:

    • The observed structures represent a unique form of synapse-like organization in regenerating invertebrate peripheral nerves.
    • These findings contribute to the understanding of neuroplasticity and regeneration mechanisms in crustaceans.
    • The study highlights potential similarities with axo-glial synapses and neurosecretory systems across different species.

    Related Experiment Videos