to allow the blastocyst to penetrate between epithelial cells.

A similar cell junction in non-epithelial, non-endothelial cells is the fascia adherens. It is structurally the same, but appears in ribbonlike patterns that do not completely encircle the cells. One example is in cardiomyocytes.

Proteins

Adherens junctions are composed of the following proteins:
* cadherins.

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