Atlas One · Host Biology · Scale 04 — Cellular

Cardiomyocyte

The contractile cell of the heart — a branched, striated, electrically coupled muscle cell that converts every depolarization wave into a coordinated mechanical contraction via excitation–contraction coupling.

Also known as: cardiac muscle cell, cardiac myocyte

Scale 04 — CellularScale
draftStatus
2026-06-03Last Reviewed
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cardiomyocyte

Cardiomyocyte

The contractile cell of the heart — a branched, striated, electrically coupled muscle cell that converts every depolarization wave into a coordinated mechanical contraction via excitation–contraction coupling.