心脏肌肉的细胞，即心肌细胞，是使心脏跳动的细胞。

Cardiac muscle cells, or cardiomyocytes, are what makes the heart beat.

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目前，肌细胞生成，即心肌细胞的生长，是一个更大的、更具挑战性的问题，对心力衰竭尤为重要。

Now myogenesis, the growing of myocytes, is a much bigger and more challenging problem and related more specifically to heart failure.

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