How Small Is Human Cardiomyocyte? 100 µm Compared to Scale

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Cardiomyocytes are packed with mitochondria, sometimes making up a third of their cell volume, to fuel constant contraction.

Source: Guyton, Textbook of Medical Physiology

Micro World

Name	Size	Compared with Human Cardiomyocyte
Ascaris lumbricoides Egg	60 µm	0.6×
Human Cheek Epithelial Cell	60 µm	0.6×
Pine Pollen Grain	70 µm	0.7×
Human Adipocyte	100 µm	same size
Euplotes	100 µm	same size
Human Cardiomyocyte	100 µm	this page
Human Smooth Muscle Cell	100 µm	same size
Onion Epidermal Cell	100 µm	same size
Didinium	150 µm	1.5×
Coscinodiscus Diatom	150 µm	1.5×

Test your sense of scale

Which is bigger: Human Cardiomyocyte or Pine Pollen Grain?

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