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Relationship of Ciliary Body Meridional Muscle and Corneoscleral Trabecular Meshwork

Relationship of Ciliary Body Meridional Muscle and Corneoscleral Trabecular Meshwork Abstract Introduction Although the relationship of the meridional muscle fibers of the ciliary body and the corneoscleral trabecular meshwork has been clearly described in the older literature,1,2 more recent papers3-5 have differed somewhat in the anatomy of this portion of the angle structures in the human eye. The purpose of this paper is to follow the embryological and postnatal development of the ciliary body, scleral spur, and corneoscleral meshwork and present evidence that the corneoscleral trabecular meshwork, except for the tissue adjacent to Schlemm's canal, is continuous with the meridional muscle of the ciliary body and therefore represents the tendon of insertion for this muscle into the cornea at Schwalbe's line. Material and Methods Human fetus eyes from 5 months to birth and infant, children, and adult eyes were bisected in the horizontal meridian, serially sectioned at 18μ in celloidin, and stained with hematoxylin-eosin or Mallory trichrome. The ciliary References 1. Saltzmann, M.: The Anatomy and Histology of the Human Eyeball in the Normal State: Its Development and Senescence , Translated by E. V. L. Brown, Chicago, University of Chicago Press, 1912, p. 112. 2. Henderson, T.: The Cribriform Ligament of the Ciliary Muscle: A Demonstration of the Comparative Anatomy of the Angle of the Anterior Chamber in Man and Monkeys , Trans. Ophthal. Soc. U.K. 41:465, 1921. 3. Burian, H. M.; Braley, A. E., and Allen, L.: External and Gonioscopic Visibility of the Ring of Schwalbe and the Trabecular Zone , Trans. Amer. Ophthal. Soc. 52:389, 1954. 4. Ashton, N.; Brini, A., and Smith, R.: Anatomical Studies of the Trabecular Meshwork of the Normal Human Eye , Brit. J. Ophthal. 40:257, 1956.Crossref 5. Maumenee, A. E.: The Pathogenesis of Congenital Glaucoma: A New Theory , Trans. Amer. Ophthal. Soc. 56:507, 1958. 6. Seefelder, R.: Die Entwicklung des Menschen Auges , in Kurzes Handbuch der Ophthalmologie , edited by F. Shieck, and A. Brückner, Berlin, Springer-Verlag, 1930, Fig. 38, p. 503. 7. Grant, W. M., in Glaucoma: Transactions of the Fourth Conference , New York, Josiah Macy, Jr., Foundation, 1959, p. 108. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Ophthalmology American Medical Association

Relationship of Ciliary Body Meridional Muscle and Corneoscleral Trabecular Meshwork

KUPFER, CARL
Archives of Ophthalmology , Volume 68 (6) – Dec 1, 1962
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Publisher
American Medical Association
Copyright
Copyright © 1962 American Medical Association. All Rights Reserved.
ISSN
0003-9950
eISSN
1538-3687
DOI
10.1001/archopht.1962.00960030822017
Publisher site
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Abstract

Abstract Introduction Although the relationship of the meridional muscle fibers of the ciliary body and the corneoscleral trabecular meshwork has been clearly described in the older literature,1,2 more recent papers3-5 have differed somewhat in the anatomy of this portion of the angle structures in the human eye. The purpose of this paper is to follow the embryological and postnatal development of the ciliary body, scleral spur, and corneoscleral meshwork and present evidence that the corneoscleral trabecular meshwork, except for the tissue adjacent to Schlemm's canal, is continuous with the meridional muscle of the ciliary body and therefore represents the tendon of insertion for this muscle into the cornea at Schwalbe's line. Material and Methods Human fetus eyes from 5 months to birth and infant, children, and adult eyes were bisected in the horizontal meridian, serially sectioned at 18μ in celloidin, and stained with hematoxylin-eosin or Mallory trichrome. The ciliary References 1. Saltzmann, M.: The Anatomy and Histology of the Human Eyeball in the Normal State: Its Development and Senescence , Translated by E. V. L. Brown, Chicago, University of Chicago Press, 1912, p. 112. 2. Henderson, T.: The Cribriform Ligament of the Ciliary Muscle: A Demonstration of the Comparative Anatomy of the Angle of the Anterior Chamber in Man and Monkeys , Trans. Ophthal. Soc. U.K. 41:465, 1921. 3. Burian, H. M.; Braley, A. E., and Allen, L.: External and Gonioscopic Visibility of the Ring of Schwalbe and the Trabecular Zone , Trans. Amer. Ophthal. Soc. 52:389, 1954. 4. Ashton, N.; Brini, A., and Smith, R.: Anatomical Studies of the Trabecular Meshwork of the Normal Human Eye , Brit. J. Ophthal. 40:257, 1956.Crossref 5. Maumenee, A. E.: The Pathogenesis of Congenital Glaucoma: A New Theory , Trans. Amer. Ophthal. Soc. 56:507, 1958. 6. Seefelder, R.: Die Entwicklung des Menschen Auges , in Kurzes Handbuch der Ophthalmologie , edited by F. Shieck, and A. Brückner, Berlin, Springer-Verlag, 1930, Fig. 38, p. 503. 7. Grant, W. M., in Glaucoma: Transactions of the Fourth Conference , New York, Josiah Macy, Jr., Foundation, 1959, p. 108.

Journal

Archives of Ophthalmology – American Medical Association

Published: Dec 1, 1962

References

  • The Anatomy and Histology of the Human Eyeball in the Normal State: Its Development and Senescence
    Saltzmann , M.
  • The Cribriform Ligament of the Ciliary Muscle: A Demonstration of the Comparative Anatomy of the Angle of the Anterior Chamber in Man and Monkeys
    Henderson , T.
  • External and Gonioscopic Visibility of the Ring of Schwalbe and the Trabecular Zone
    Burian , H. M.; Braley, A. E., and Allen, L.
  • Anatomical Studies of the Trabecular Meshwork of the Normal Human Eye
    Ashton , N.; Brini, A., and Smith, R.
  • The Pathogenesis of Congenital Glaucoma: A New Theory
    Maumenee , A. E.
  • Kurzes Handbuch der Ophthalmologie
    Seefelder , R.
  • Glaucoma: Transactions of the Fourth Conference
    Grant , W. M., in