Watch this video if you want to learn about the histological picture of a heart valve with the help of stained sections and to learn about the different layers that constitute a valve. Timeline: 0:00 - Introduction 0:16 - Mitral valve section and gross structure 1:19 - Magnified histological slide of mitral valve 2:23 - Magnified view of the endocardium 3:01 - Aortic valve section and gross structure 4:01 - Magnified histological slide of aortic valve 4:22 - Summary slides 5:48 - Layers of cardiac valves