10 terms

Sarcomere Structure and the sliding filament mechanism of Contraction

A Band
Length does not change when sarcomere shortens
A Band
This area is the length of thick filaments
M Line
Center point of attachment for thick filaments
H Zone, I Band
Length decreases when sarcomere shortens
I Band
This area only contains thin filaments
Z Disc
Point of attachment for thin filaments
H zone
This area only contains thick filaments
A Band
This area contains overlapping thin and thick filaments
The area from Z Disc to Z Disc
H Zone
This area disappears in a fully contracted muscle