Micro World
How small is a human dendritic cell?
A human dendritic cell is about 15 µm across.
What is measured: immune cell, extended cell body diameter
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How big is that, really?
- A little smaller than a cloud droplet
- As wide as about 2 red blood cells side by side
- About 4 would fit across a human hair
- About 7 would fit across a human egg cell
- About 7.5× the length of an E. coli bacterium
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Facts about Human Dendritic Cell
Dendritic cells have long branching projections that resemble neuronal dendrites, giving them their name.
Source: Alberts, Molecular Biology of the Cell; Kindt, Kuby Immunology
Micro World
Compared with other microscopic things
| Name | Size | Compared with Human Dendritic Cell |
|---|---|---|
| Human Basophil | 12 µm | 0.8× |
| Human Dendritic Cell | 15 µm | this page |
| Trichomonas vaginalis | 15 µm | same size |
| Human Astrocyte | 15 µm | same size |
| Human Kupffer Cell | 15 µm | same size |
| Human Chondrocyte | 15 µm | same size |
| 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× |
Test your sense of scale
Which is bigger: Human Dendritic Cell or Human Basophil?
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