Where Is the M Line?

Definition: In striated muscle sarcomere, the M line is the attachment site for the thick filaments. The M line is in the center of the A band and, thus, it is in the center of the sarcomere.

Where is the M line located?

The M-band is located in the middle of the sarcomere and serves to arrange the thick filaments into the A-bands (Fig. 1A, B).

What does the M in M line stand for?

M-line (mittel line or middle line), a structure in a muscle sarcomere. M Ocean View, a light rail and former streetcar line in San Francisco, California.

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.