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Related Experiment Videos

[The development of the triangular ligament in man].

J M Kauer

    Bulletin De L'Association Des Anatomistes
    |December 1, 1975
    PubMed
    Summary

    The carpal articular disc originates from isolated spaces, including the prestyloid recess and pisotriquetral joint. This study details the developmental relationship between these structures in fetal hands.

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    Acta orthopaedica Scandinavica·1999

    Area of Science:

    • Embryology
    • Anatomy
    • Orthopedics

    Context:

    • The development of the carpal articular disc and its associated structures is crucial for wrist function.
    • Understanding the embryological origin of the wrist joint complex, including the ulnar styloid process, triangular disc, and carpal joint, is essential for diagnosing and treating congenital abnormalities and injuries.

    Purpose:

    • To investigate the embryological origin of the carpal articular disc.
    • To analyze the developmental relationship between the ulnar styloid process, triangular disc, carpal joint, lig. subcruentum, and prestyloid recess.
    • To determine if the prestyloid recess and pisotriquetral joint space develop as connected or isolated spaces.

    Summary:

    • This study examined serial sections of embryonal and fetal hands to understand the origin of the carpal articular disc.
    • The research focused on the complex interplay between the ulnar styloid process, triangular disc, and carpal joint.
    • Key findings indicate that the prestyloid recess and pisotriquetral joint space originate as distinct, isolated spaces during development.

    Impact:

    • Provides foundational knowledge for understanding wrist biomechanics and potential developmental abnormalities.
    • Informs surgical approaches and the management of carpal injuries by clarifying the developmental anatomy of the wrist.
    • Contributes to the fields of embryology and orthopedic anatomy with detailed insights into carpal joint formation.

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