Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Mar 19;21:138. doi: 10.1186/s12886-021-01895-6

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

PMC Copyright notice

Fig. 1 — a-Haematoxylin and Eosin (H&E) stained section of trabecular meshwork. The arrow points to compressed trabecular beams. The asterisk indicates the spaces created by dispersion of the trabecular beams from surgical sampling. b-Periodic acid-Schiff (PAS) stain of the trabecular meshwork. The beams are stained pink. The arrow points to a layer of darker pink material on the trabecular beams indicating trabecular meshwork cell basement membrane. c-PAS stain showing the presence of Descemet’s membrane exhibiting Hassall-Henle excrescences. d-H&E stained trabecular meshwork from eye number 6 with pigment dispersion glaucoma. Note the dark brown pigment deposited on the trabecular beams (arrow). e-Elastin Von Gieson stain of trabecular meshwork showing patchy elastin presence (arrows point to black linear elastin). f-Collagen IV immunohistochemistry. The arrow points to tram track linear staining (brown-positive) over the beams.