Key result
Cardiac muscle ultrastructure is characterized by specific organizations of contractile material, sarcoplasmic reticulum, and transverse tubules that distinguish it from skeletal muscle.
This review details the ultrastructural components of cardiac muscle, emphasizing the relationship between structure and function in comparison to skeletal muscle.
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Aids histologic differentiation of cardiac from skeletal muscle; leaves open disease-specific ultrastructural adaptations for targeted study.
The ultrastructure of cardiac muscle is described. In the course of the descriptions advantage has been taken of comparative anatomy, in order to elucidate the relationships between structure and function. Physiologic parameters are discussed in a comparative manner including information from skeletal muscles fibers that often provide a well-studied point of departure. The descriptions of the ultrastructure of cardiac muscle are illustrated by a few electron photomicrographs to give a general overview.
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Sommer et al. (1978) conducted a review in Cardiac muscle ultrastructure. Cardiac muscle ultrastructure is characterized by specific organizations of contractile material, sarcoplasmic reticulum, and transverse tubules that distinguish it from skeletal muscle.
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