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Laboratory 20. Heart
Step 27. Chamber of the Left Ventricle

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The inner surface of the left ventricle is covered with muscular ridges, trabeculae carne, like those of the right ventricle [trabeculae carneae in right ventricle].

In the left ventricle, identify the thin strands which resemble the chordae tendineae. These strands, however, do not attach to the cusps of the mitral valve; they contain Purkinje fibers and are called false chordae tendineae. They are components of the conduction system of the heart.

Links and References:
Grant's: 1.65
Netter: 209
Rohen/Yokochi: 238, 243