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Extracellular Matrix

Meaning

The Extracellular Matrix (ECM) is a complex network of non-cellular macromolecules and minerals secreted by cells into the surrounding space, providing structural and biochemical support to the surrounding cells. It is far more than just scaffolding; it acts as a dynamic reservoir for growth factors, hormones, and signaling molecules, profoundly influencing cellular behavior, proliferation, and differentiation. The ECM’s integrity is vital for tissue health, particularly in skin, bone, and connective tissues.