The super-thin walls of the blood capillaries are a little bit leaky.
毛细血管的超薄壁略微渗出液体。
Blood capillaries
原声例句
心血管
Osmosis-呼吸
The histamine causes blood capillaries to dilate and become leaky which brings more fluid and immune cells to the area where the mast cells are located.
组胺能使毛细血管的通透性增加，进而促进更多的体液和免疫细胞渗漏到肥大细胞所在处。
心血管
Although they are similar to blood capillaries, lymphatic capillaries are more permeable, and therefore they're more prone to allow the passage of proteins or even larger particles such as bacteria and viruses.
尽管它们与血毛细血管相似，但淋巴毛细血管的渗透性更强，因此它们更容易使蛋白质甚至细菌和病毒等更大的颗粒通过。
英语百科
Capillary
Capillaries (/ˈkæpᵻlɛriz/ in US; /kəˈpɪləriz/ in UK) are the smallest of a body's blood vessels (and lymph vessels) that make up the microcirculation. Their endothelial linings are only one cell layer thick. These microvessels, measuring around 5 to 10 micrometres (µm) in diameter, connect arterioles and venules, and they help to enable the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between the blood and the tissues surrounding them. Lymph capillaries connect with larger lymph vessels to drain lymph collected in the microcirculation.
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