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

Meynert cells in the primate visual cortex.

V Chan-Palay, S L Palay, S M Billings-Gagliardi

    Journal of Neurocytology
    |November 1, 1974
    PubMed
    Summary
    This summary is machine-generated.

    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

    Harnessing the energy of the Asia Pacific.

    Dementia and geriatric cognitive disorders·2011
    Same author

    The production of ascites and liver necrosis following the injection of alloxan plus cysteine.

    The Anatomical record·2010
    Same author

    The production and course of alloxan diabetes in the rat.

    The Journal of laboratory and clinical medicine·2010
    Same author

    The nervous pathways of chemical sense and taste in the fishes Prionotus and Trichogaster.

    The Anatomical record·2010
    Same author

    Chemical sense and taste in the fishes, Prionotus and Trichogaster.

    The Journal of comparative neurology·2010
    Same author

    THE FINE STRUCTURE OF THE LATERAL VESTIBULAR NUCLEUS IN THE RAT : I. Neurons and Neuroglial Cells.

    The Journal of cell biology·2009
    Same journal

    GABA-immunoreactive neurons and terminals in the cat periaqueductal gray matter: a light and electron microscopic study.

    Journal of neurocytology·2006
    Same journal

    Increase of NG2-positive cells associated with radial glia following traumatic spinal cord injury in adult rats.

    Journal of neurocytology·2006
    Same journal

    Distribution of calcium-independent phospholipase A2 (iPLA 2) in monkey brain.

    Journal of neurocytology·2006
    Same journal

    Immunogold study of effects of prenatal exposure to lipopolysaccharide and/or valproic acid on the rat blood-brain barrier vessels.

    Journal of neurocytology·2006
    Same journal

    Reduction in parvalbumin expression in the zona incerta after 6OHDA lesion in rats.

    Journal of neurocytology·2006
    Same journal

    Potassium currents in primary cultured astrocytes from the rat corpus callosum.

    Journal of neurocytology·2006
    See all related articles

    Solitary cells of Meynert in the striate cortex exhibit unique dendritic spine distribution. This arrangement suggests a role in integrating information from various cortical layers.

    Area of Science:

    • Neuroscience
    • Cell Biology
    • Cortical Anatomy

    Background:

    • The solitary cells of Meynert are large neurons located in layer V of the striate cortex.
    • These cells are characterized by their argyrophilia and abundant neurofilaments.

    Purpose of the Study:

    • To investigate the distribution and density of dendritic spines on Meynert cells.
    • To correlate spine distribution with cortical layer inputs and infer the functional role of Meynert cells.

    Main Methods:

    • Microscopic analysis of Meynert cell morphology in the striate cortex.
    • Quantification of dendritic spine density and distribution across different dendritic segments.
    • Comparison of cell density and dendritic field overlap in macular versus perifoveal cortex.

    Related Experiment Videos

    Main Results:

    • Meynert cells possess a high number of dendritic spines (approx. 36,000), with basal dendrites bearing over 77%.
    • Spine density varies significantly across the dendritic arborization, with apical dendrites in layer II being highly spinose.
    • Meynert cell density and dendritic field overlap differ between macular and perifoveal cortical regions.

    Conclusions:

    • The differential spine distribution suggests Meynert cells are optimized to receive inputs from specific cortical layers (I, II, V, VI).
    • Meynert cells likely play a crucial role in integrative information processing within the visual cortex.
    • Dendritic field overlap patterns may relate to regional processing differences in the striate cortex.