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    • Heart, Valve - Degeneration, Myxomatous - Gallery

    Image of degeneration, myxomatous in the heart, valve from a female F344/N rat in a chronic study
    Heart, Valve - Degeneration, Myxomatous in a female F344/N rat from a chronic study. With myxomatous degeneration, the valve leaflets are often thickened (arrows).
    Image of degeneration, myxomatous in the heart, valve from a female F344/N rat in a chronic study
    Heart, Valve - Degeneration, Myxomatous in a female F344/N rat from a chronic study (higher magnification of Figure 1). The valve leaflet is thickened and rounded.
    Image of degeneration, myxomatous in the heart, valve from a female F344/N rat in a chronic study
    Heart, Valve - Degeneration, Myxomatous in a female F344/N rat from a chronic study (higher magnification of Figure 1). Abundant fibromyxoid tissue is present within the subendocardium, giving the valve a pale, basophilic, mucoid appearance.
    Image of degeneration, myxomatous in the heart, valve from a male Wistar Han rat in a chronic study
    Heart, Valve - Degeneration, Myxomatous in a male Wistar Han rat from a chronic study. The spongiosa of the valve leaflet is expanded with myxomatous material (arrow).
    Image of degeneration, myxomatous in the heart, valve from a male Wistar Han rat in a chronic study
    Heart, Valve - Degeneration, Myxomatous in a male Wistar Han rat from a chronic study. The valve leaflet has marked thickening due to fibromyxoid tissue in the subendocardium.