Atlas One · Host Biology · Scale 05 — Tissue

Myocardium

The contractile cardiac-muscle tissue that forms the bulk of the heart wall — a syncytium of cardiomyocytes electrically coupled through intercalated discs, supported by fibroblasts, capillaries, and a collagen scaffold.

Also known as: cardiac muscle, heart muscle

Scale 05 — TissueScale
draftStatus
2026-06-03Last Reviewed
This is an auto-generated stub page built from atlas entry frontmatter. A richer hand-crafted page is planned. See the atlas source for the full entry including detailed body sections.
myocardium

Myocardium

The contractile cardiac-muscle tissue that forms the bulk of the heart wall — a syncytium of cardiomyocytes electrically coupled through intercalated discs, supported by fibroblasts, capillaries, and a collagen scaffold.