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Related Experiment Videos

The pterygoideus proprius muscle

B C Barker

    Australian Dental Journal
    |October 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    An unusual muscle was discovered in the infratemporal fossa of an elderly male cadaver. Its function remains unclear, though it appeared to be functional and not atrophied.

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    Area of Science:

    • Anatomy
    • Human Anatomy
    • Surgical Anatomy

    Background:

    • The infratemporal fossa is a complex anatomical region housing important nerves and muscles.
    • Variations in craniofacial musculature can impact surgical approaches and understanding of biomechanics.

    Purpose of the Study:

    • To document and describe a previously unreported anomalous muscle in the human infratemporal fossa.
    • To detail the anatomical location and bony attachments of this anomalous muscle.

    Main Methods:

    • A detailed gross anatomical dissection was performed on a male cadaver.
    • The anomalous muscle's origin, insertion, and relationship to surrounding structures were meticulously recorded.

    Main Results:

    • An anomalous muscle was identified in the infratemporal fossa of an elderly male cadaver.

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  • The muscle originated from the infratemporal crest (greater wing of the sphenoid) and inserted on the inferior lateral pterygoid plate.
  • The muscle was observed to be non-atrophied, suggesting potential functional relevance.

    • Conclusions:

    • This finding represents a rare anatomical variation in the muscles of mastication.
    • Further research is needed to elucidate the functional significance and clinical implications of this anomalous infratemporal muscle.