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. Author manuscript; available in PMC: 2021 Feb 1.
Published in final edited form as: Acta Biomater. 2019 Dec 23;103:172–188. doi: 10.1016/j.actbio.2019.12.024

Figure 4:

Figure 4:

Representative histological images of the longitudinal (left panels) and transverse (right panels) sections of four TA specimens from different age groups. Aortas are from (A) 14-year-old, (B) 31-year-old, (C) 51-year-old and (D) 73-year-old subjects. In young TA samples, the elastic lamellae are thick, undulated, and are located close to each other, while the opposite is observed for old TAs. Verhoeff-Van Gieson (VVG) stain: elastin is black, collagen is red, smooth muscle is brown.