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

The cochlear nuclei of some turtles.

M R Miller, M Kasahara

    The Journal of Comparative Neurology
    |May 15, 1979
    PubMed
    Summary

    This study delineates turtle cochlear nuclei, identifying two primary (angularis, magnocellularis) and one secondary (laminaris) nucleus. Findings reveal specific degeneration patterns in the auditory pathway of these reptiles.

    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

    Efficiency of leukocyte depletion filters and micro-aggregate filters following intra-operative cell salvage during cesarean delivery.

    International journal of obstetric anesthesia·2019
    Same author

    Mild to Moderate Intrapulmonary Shunting in Pediatric Liver Transplantation: Is Screening Necessary?

    Transplantation proceedings·2018
    Same author

    Six National University Consortium in Liver Transplant Professionals Training (SNUC-LT) Program in Japan.

    Transplantation proceedings·2018
    Same author

    Liver Transplantation for Mitochondrial Respiratory Chain Disorder: A Single-Center Experience and Excellent Marker of Differential Diagnosis.

    Transplantation proceedings·2017
    Same author

    Total internal biliary diversion during liver transplantation for type 1 progressive familial intrahepatic cholestasis: a novel approach.

    Pediatric transplantation·2016
    Same author

    [Kouichi Terazawa (1952-2015)].

    [Hokkaido igaku zasshi] The Hokkaido journal of medical science·2016

    Area of Science:

    • Neuroscience
    • Comparative Anatomy
    • Herpetology

    Background:

    • The cochlear nuclei are crucial for auditory processing.
    • Understanding their structure in turtles provides insights into reptilian auditory systems.

    Purpose of the Study:

    • To delineate the cochlear nuclei in eight turtle species.
    • To identify primary and secondary cochlear nuclei based on nerve fiber degeneration patterns.

    Main Methods:

    • Histological examination of turtle brains from six families.
    • Sectioning of the posterior eighth cranial nerve root and ganglion in Kinosternon leucostomum.
    • Analysis of terminal degeneration patterns to map neural pathways.

    Main Results:

    • Two primary cochlear nuclei (nucleus angularis and nucleus magnocellularis) and one secondary nucleus (nucleus laminaris) were identified.
    • Nucleus magnocellularis shows heavy degeneration, suggesting it's a primary auditory relay.
    • Nucleus laminaris, a secondary nucleus, did not show degeneration, indicating a different role or pathway.

    Conclusions:

    • The cochlear nuclear complex in turtles includes nucleus angularis, nucleus magnocellularis, and nucleus laminaris.
    • Nucleus magnocellularis is likely homologous to similar nuclei in lizards and crocodiles.
    • The identified nuclei and their connections provide a foundational understanding of auditory processing in turtles.

    Related Experiment Videos