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Ultrastructure of the Spinal Arachnoid Layer

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Atlas of Functional Anatomy for Regional Anesthesia and Pain Medicine

Abstract

In the past, the arachnoid layer had been defined as a fine membrane in contact with (but not adhering to) the internal surface of the dura mater, and the subdural space had been described as a virtual space between the arachnoid layer and the dura mater, but this concept has since been modified. (See Chaps. 26 and 27). The arachnoid layer, a semipermeable membrane, exerts a barrier effect against the passage of substances across it. The thickness of the arachnoid measures about 35–40 μm, and it is composed of cells strongly bonded by specific membrane junctions. The intercellular space is thought to contain collagen fibers that reinforce this structure in order to increase its mechanical resistance

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References

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Authors and Affiliations

  1. Department of Clinical Medical Sciences and Institute of Applied Molecular Medicine, School of Medicine, University of CEU San Pablo, Madrid, Spain

    Miguel Angel Reina MD, PhD

  2. Department of Anesthesiology, Madrid-Montepríncipe University Hospital, Madrid, Spain

    Miguel Angel Reina MD, PhD

  3. Department of Neurosurgery, La Princesa University Hospital, Madrid, Spain

    Paloma Pulido MD, PhD & Rafael García De Sola MD, PhD

  4. Department of Surgery, School of Medicine, Autonomous University of Madrid, Madrid, Spain

    Rafael García De Sola MD, PhD

Authors
  1. Miguel Angel Reina MD, PhD
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  2. Paloma Pulido MD, PhD
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  3. Rafael García De Sola MD, PhD
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Corresponding author

Correspondence to Miguel Angel Reina MD, PhD .

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Editors and Affiliations

  1. Department of Anesthesiology, Department of Clinical Medical Sciences and Institute of Applied Molecular Medicine, School of Medicine, University of CEU San Pablo, Madrid, Spain, and Madrid-Montepríncipe University Hospital, Madrid, Spain

    Miguel Angel Reina

  2. Department of Surgical Specialties, Department of Anesthesia, Critical Care, and Pain Management, General University Hospital, School of Medicine, University of Valencia, Valencia, Spain

    José Antonio De Andrés

  3. College of Physicians and Surgeons, Department of Anesthesiology, St. Luke’s-Roosevelt Hospital Center, New York School of Regional, Anesthesia (NYSORA), New York, NY, USA, and Columbia University, New York, New York, USA

    Admir Hadzic

  4. Laboratory of Surgical NeuroAnatomy, Human Anatomy and Embryology Unit, School of Medicine, University of Barcelona, Barcelona, Spain

    Alberto Prats-Galino

  5. Department of Anesthesiology and Critical Care, Human Anatomy and Embryology Unit, School of Medicine, University of Barcelona, Barcelona, Spain, and Clinic Hospital, Barcelona, Spain

    Xavier Sala-Blanch

  6. Discipline of Anesthesiology, The University of Queensland and Royal Brisbane and Women’s Hospital, Brisbane, Queensland, Australia

    André A.J. van Zundert

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© 2015 Springer International Publishing Switzerland

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Reina, M.A., Pulido, P., De Sola, R.G. (2015). Ultrastructure of the Spinal Arachnoid Layer. In: Reina, M., De Andrés, J., Hadzic, A., Prats-Galino, A., Sala-Blanch, X., van Zundert, A. (eds) Atlas of Functional Anatomy for Regional Anesthesia and Pain Medicine. Springer, Cham. https://doi.org/10.1007/978-3-319-09522-6_21

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  • DOI: https://doi.org/10.1007/978-3-319-09522-6_21

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-09521-9

  • Online ISBN: 978-3-319-09522-6

  • eBook Packages: MedicineMedicine (R0)

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