noun
muscle cell
Biological term for the cells that make up muscle tissue.
筋細胞は収縮することで力を生み出す。
Muscle cells generate force by contracting.
筋肉 refers to muscle as a tissue or organ, while 筋細胞 refers specifically to the individual cells that compose it.
Compound of 筋 (きん, 'muscle') and 細胞 (さいぼう, 'cell').