Research Article

Changes in Angiotensin Receptor Distribution and in Aortic Morphology Are Associated with Blood Pressure Control in Aged Metabolic Syndrome Rats

Figure 1

Histological images of representative rat aortas from different ages. Control ((a) 6 months and (c) 18 months) and MS ((b) 6 months and (d) 18 months) using Masson trichrome staining. The panoramic view is shown in the insert. The arrows indicate discontinuity of elastic fibers and the stars indicate hyperplasia of muscular cells.
(a)
(b)
(c)
(d)