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En-face analysis of the human limbal lymphatic vasculature

Research output: Contribution to journalJournal articlepeer-review

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  • Christoph Palme
  • Sajjad Ahmad
  • Vito Romano
  • Christof Seifarth
  • Bryan Williams
  • Mohit Parekh
  • Stephen B. Kaye
  • Bernhard Steger
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Article number108278
<mark>Journal publication date</mark>31/12/2020
<mark>Journal</mark>Experimental Eye Research
Volume201
Number of pages5
Publication StatusPublished
Early online date28/09/20
<mark>Original language</mark>English

Abstract

Purpose: To describe the location and morphometric characteristics of the human limbal lymphatic vasculature and its relation to the marginal corneal vascular arcades (MCA). Methods: Ex vivo confocal microscopic (CM) imaging and immunofluorescence double staining for CD-31 and D2-40 of histological en-face sections using 12 preserved human cadaveric corneoscleral discs were performed, followed by a semi-automated morphometric analysis of the two-dimensional vascular network architecture. Results: Ex vivo CM confirmed the presence of 2 distinct vascular networks. The haematic limbal vascular complex (HLVC) extended further into the cornea, forming typical MCAs. The lymphatic limbal vascular complex (LLVC) was peripheral from the termination of Bowman's layer and was also found to be peripheral to and deeper than the HLVC. LLVC and HLVC were significantly different with respect to vessel diameter, segment length and wall thickness. Conclusion: The lymphatic vasculature of the human corneoscleral limbal region displays specific morphometric features that allow its differentiation from haematic vessels using CM.