筋きん肉にく繊せん維いきんにくせんいMeanings1nounmuscle fiberAnatomical term for the elongated cells that make up skeletal muscle tissue. Also referred to as 筋繊維.See also: 筋繊維筋きん肉にく繊せん維いは収しゅう縮しゅくすることで力ちからを生う