Muscle fibers from the heart showing the striations and the junctions of the cells, highly magnified.

Muscle Fibers

Muscle fibers from the heart showing the striations and the junctions of the cells, highly magnified.

Network of muscular fibers from the heart of a pig. The nuclei of the muscle corpuscles are well shown

Muscular Fiber Showing the Nuclei of the Muscle Corpuscles

Network of muscular fibers from the heart of a pig. The nuclei of the muscle corpuscles are well shown