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. 2020 Aug 13;33(9):602–620. doi: 10.1089/ars.2020.8035

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© Christoph Knappich et al. 2020; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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FIG. 4. — Immunohistochemical staining of macrophages in human AAA tissue. Macrophages and other CD68⁺ cells (i.e., SMC-derived macrophage-like cells) stained with anti-CD68 antibodies. Note CD68⁺ cells are accumulating mainly in the border region between tunica intima and tunica media, whereas lymphocytes are predominantly located in the adventitia forming the VALT. A, adventitia; I, tunica intima; L, vessel lumen; M, tunica media; SMC, smooth muscle cell; VALT, vascular-associated lymphoid tissue. Color images are available online.