Navigation Menu Search PhysiologyWeb
PhysiologyWeb Logo
PhysiologyWeb
  Home  |  FAQ  |  About  |  Contact  |   - Sign In
 Search PhysiologyWeb
   
Home > Glossary > M > M line

Glossary of Physiology Terms -
M line

— share —
Share on Facebook    Share on X    Share on LinkedIn    Share on Pinterest    Share on Reddit    Email    Copy URL

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.

Related glossary terms/phrases:
A band
H zone
I band
Z disk




Posted: Thursday, January 8, 2015
Last updated: Wednesday, March 12, 2025
— share —
Share on Facebook    Share on X    Share on LinkedIn    Share on Pinterest    Share on Reddit    Email    Copy URL