This is infective endocarditis. The aortic valve demonstrates a large, irregular, reddish tan vegetation.
感染性心内膜炎：见主动脉瓣处有一大而不规则的红褐色赘生物。
Irregular reddish tan vegetations overlie valve cusps that are being destroyed. Portions of the vegetation can break off and become septic emboli.
红棕色的赘生物覆盖瓣膜尖端使其受损，赘生物的一部分可以脱落形成脓性栓子。
Unlike the reddish-tan sands comprising the dunes directly south of the Kuiseb River, the stream-channel sediments are lighter in color.
与紧靠凯赛布河南岸的红棕色沙丘不同，河道里的沉积物颜色更浅。
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