Chapter 9 Muscle Contraction Flashcards
0
Q
Axon terminal
A
End of an axon
1
Q
Motor neuron
A
Stimulate skeletal muscle cells
2
Q
Action potential
A
Message from nerve
3
Q
Motor end plate
A
Motor end plate region or sarcolemma facing junction
4
Q
Acetylcholine
A
Neurotransmitter involoved in muscle contraction
5
Q
Neurotransmitter
A
Released by cell to communicate
6
Q
Synaptic cleft
A
Gap between 2 cells
7
Q
Troponin
A
Binds to calcium and changes shape
8
Q
Tropomyosin
A
Covers myosin binding sites until moves by troponin changing shape
9
Q
Neuromuscular junction
A
Where the neurotransmitters come into contact with the muscle cell
10
Q
Synaptic vesicle
A
Contains ACh and when introduced to calcium leaves the axon terminal
11
Q
Depolorization
A
Switching of charges
12
Q
Synapse
A
Region where communication occurs between 2 neurons or neuron and target
