Trichomonas vaginalis有多小？15 µm，按比例对比

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Trichomonas vaginalis（15 µm）与a red blood cell（7.5 µm）和a cloud droplet（20 µm）按真实比例并排绘制 — 按比例绘制，从左到右依次是：Red blood cell (7.5 µm)、Trichomonas vaginalis (15 µm)和Cloud droplet (20 µm)。

比较

它实际有多大？

About 75% of the width of a cloud droplet
About 2× the width of a red blood cell
As long as about 8 E. coli bacteria end to end
About 4 would fit across a human hair
About 7 would fit across a human egg cell

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关于Trichomonas vaginalis的资料

Trichomonas vaginalis swims using four forward-facing flagella and causes one of the most common non-viral sexually transmitted infections.

来源：CDC, Trichomoniasis; Parasitology textbook

Micro World

名称	尺寸	与Trichomonas vaginalis对比
Human Basophil	12 µm	0.8×
Human Dendritic Cell	15 µm	尺寸相同
Trichomonas vaginalis	15 µm	本页面
Human Astrocyte	15 µm	尺寸相同
Human Kupffer Cell	15 µm	尺寸相同
Human Chondrocyte	15 µm	尺寸相同
HeLa Cell	20 µm	1.3×
Cellulose Fiber	20 µm	1.3×
Human Erythroblast	20 µm	1.3×
Human Goblet Cell	20 µm	1.3×

测测你的尺度感

哪个更大：Trichomonas vaginalis还是Human Basophil？

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