Vascularity of human atrioventricular valves: A myth or fact?

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Presentation transcript:

Vascularity of human atrioventricular valves: A myth or fact? Narbada Saini, MSc, Uma Nahar Saikia, MD, Daisy Sahni, PhD, Rana Sandip Singh, MCh The Journal of Thoracic and Cardiovascular Surgery Volume 147, Issue 1, Pages 517-521 (January 2014) DOI: 10.1016/j.jtcvs.2013.03.031 Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 A, Microphotograph showing large-caliber veins in mitral valve leaflet (hematoxylin-eosin stain, ×10). B, Masson's trichrome stain showing fibrosis with collagen deposition (magnification, ×10). C, Elastin Van Gieson stain depicting internal elastic lamina of veins (magnification, ×10). D, Alcian blue–periodic acid–Schiff stain showing degenerated mucopolysaccharide material accumulation (magnification, ×10). The Journal of Thoracic and Cardiovascular Surgery 2014 147, 517-521DOI: (10.1016/j.jtcvs.2013.03.031) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 A, Microphotograph showing arterioles, capillaries, and venules in mitral valve leaflet (hematoxylin-eosin stain, ×10). B, Elastin Van Gieson stain highlighting the arterioles (arrows) (magnification, ×10). C, Masson's trichrome stain showing vessels of small caliber with mild fibrosis (magnification, ×10). D, Alcian blue–periodic acid–Schiff stain showing prominent arterioles with basement membrane and capillaries (arrow) (magnification, ×20). The Journal of Thoracic and Cardiovascular Surgery 2014 147, 517-521DOI: (10.1016/j.jtcvs.2013.03.031) Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions