Micro World

Cryptosporidium parvum Oocystはどのくらい小さいですか?

Cryptosporidium parvum Oocystの直径は約5 µmです。

測定対象:infectious cyst stage, diameter

Cryptosporidium parvum Oocyst(5 µm)をan E. coli bacterium(2 µm)とa red blood cell(7.5 µm)の横に実物大で描いた図
左から実物大で表示:E. coli bacterium (2 µm)、Cryptosporidium parvum Oocyst (5 µm)、Red blood cell (7.5 µm)。

比較

実際の大きさはどのくらい?

  • A little smaller than a red blood cell
  • About 4 would fit across a cloud droplet
  • About 2.5× the length of an E. coli bacterium
  • About 50× as wide as a flu virus

学ぶ

Cryptosporidium parvum Oocystについての豆知識

Cryptosporidium oocysts are so resistant to chlorine that they can survive standard water treatment.

出典:CDC: Cryptosporidiosis; WHO Guidelines for Drinking-water Quality

Micro World

名前サイズCryptosporidium Oocystと比べると
Aspergillus niger Spore4 µm0.8×
Clostridium difficile4 µm0.8×
Cryptosporidium parvum Oocyst5 µmこのページ
Chlorella Algae Cell5 µm同じサイズ
Candida albicans5 µm同じサイズ
Halobacterium salinarum5 µm同じサイズ
Thermus aquaticus5 µm同じサイズ
Human T Lymphocyte7 µm1.4×
Human B Lymphocyte7 µm1.4×
Cryptococcus neoformans8 µm1.6×

スケール感を試そう

Cryptosporidium parvum OocystとAspergillus niger Spore、大きいのはどちら?

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