Skeletal Muscle Physiology Flashcards
1
Q
Muscle Fibers
A
Muscle cells
2
Q
Sarcolema
A
Muscle cell membrane
3
Q
Sarcoplasm
A
Cytoplasm
4
Q
Sarcoplasmic reticulum
A
Modified endoplasmic reticulum
5
Q
T-tubules
A
Connect the sarcolema to the sarcoplasmic reticulum
6
Q
Myofibril
A
Contractile components of a muscle cell
7
Q
Actin
A
Thin filament (attached to z line)
8
Q
Myosin
A
Thick filament (attached to midline)
9
Q
Motor unit
A
A motor neuron together with all of the muscle fibers that it innervates