Valves in the heart may not close properly and let blood leak backward.
首先心脏的瓣膜可能不能正常闭合,进而导致血液反向渗漏.
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采用有限元数值计算的方法, 模拟了冠状动脉搭桥术中移植管内的生理流动.
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The blood stains are composed of hemoglobin and also give a positive test for serum albumin.
亚麻布上的血迹带有血红细胞,而且被血清蛋白测试所肯定.
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However, arterial blood pressure is not the only factor in determining capillary perfusion.
但是, 动脉压不是决定毛细血管灌注的唯一因素.
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They also have a greater capacity than land animals to store oxygen in their blood.
它们在血内储氧的能力比陆生动物高出许多。
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