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

Levator aponeurosis elastic fiber network

G O Stasior1, B N Lemke, I H Wallow

  • 1Department of Ophthalmology, Albany Medical College, New York.

Ophthalmic Plastic and Reconstructive Surgery
|January 1, 1993
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

Depressor supercilii muscle: anatomy, histology, and cosmetic implications.

Ophthalmic plastic and reconstructive surgery·2002
Same author

How many ophthalmic plastic surgeons should be trained?

Ophthalmic plastic and reconstructive surgery·2001
Same author

Canthus-sparing ectropion repair.

Ophthalmic plastic and reconstructive surgery·2001
Same author

Alternating ptosis after bilateral frontalis muscle suspension for congenital ptosis.

American journal of ophthalmology·2001
Same author

Primary and secondary transconjunctival involutional entropion repair.

Ophthalmology·2001
Same author

Subperiosteal hematoma of the orbit with osteoneogenesis.

Archives of ophthalmology (Chicago, Ill. : 1960)·2001

Researchers discovered a detailed elastic fiber network (EFN) in the upper eyelid's levator muscle complex. This finding offers new insights into eyelid structure and potential implications for blepharoptosis.

Area of Science:

  • Ophthalmology
  • Anatomy
  • Histology

Background:

  • The precise anatomical structure of the upper eyelid's connective tissues is crucial for understanding eyelid function.
  • Elastic fiber networks (EFN) play a significant role in tissue elasticity and structural integrity.
  • Previous descriptions of the levator palpebrae superioris muscle complex insertion lacked detailed information on its elastic components.

Purpose of the Study:

  • To elucidate the detailed elastic fiber network (EFN) within the levator palpebrae superioris muscle complex.
  • To investigate the elastic insertions into the upper eyelid, including the levator aponeurosis and Muller's muscle.
  • To explore the potential implications of this EFN in acquired involutional blepharoptosis.

Main Methods:

  • Light and transmission electron microscopy (TEM) were employed for detailed structural analysis.

Related Experiment Videos

  • Specialized staining techniques and serial microscopic sectioning were utilized to visualize elastic fibers.
  • Specimens included monkey, fresh exenteration, and fresh frozen cadaver tissues from various age groups and sexes.

    • Main Results:

    • A complex and intricate elastic fiber network (EFN) was demonstrated for the levator palpebrae superioris muscle complex, inserting into the upper eyelid.
    • Multiple elastic insertions were identified from the levator aponeurosis and Muller's muscle, featuring well-organized elastic fibers.
    • TEM confirmed mature elastin fibers and their association with oxytalan fibers within Muller's muscle tendon.

    Conclusions:

    • This study provides the first detailed description of the EFN of the upper eyelid's levator muscle complex.
    • The identified elastic structures include insertions into the levator aponeurosis, conjoined fascia, lid crease area, and Muller's muscle tendon.
    • Understanding this EFN may offer new perspectives on the pathophysiology of acquired involutional blepharoptosis.