IB Biology B3.3 Definitions
A stationary point during contraction
A pair of muscles that exert forces in opposite directions to one another
A connection between bones
A point that moves during contraction
A connective tissue that attaches bone to bone to keep them together and in place, only allowing movement in certain directions
The sliding of actin and myosin filaments over each other to pull the ends of each sarcomere together and shorten the entire muscle fiber
A large multinucleated cell that composes skeletal muscle
Long contractile fibers within a muscle cell
The plasma membrane of a muscle fiber
The smallest contractile unit of a myofibril
A network of tubules in muscle fibers that stores calcium ions and coordinates muscle contraction
Muscle attached to bone
A moving connection between bones, but it only allows movement in certain directions
A connective tissue that attaches muscle to bone