Neuromuscular junction ordering
Matching exercise
Match the items on the right to the items on the left.
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1
Action potential arrives at end of motor neurone.
2
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
3
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
4
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
5
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
6
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
7
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
8
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
9
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
10
???
Synaptic vesicles fuse with motor end plate.
Na+ rapidly diffuse into sarcolemma
Neurotransmitter binds with specific receptors on sarcolemma
Synaptic vesicles containing neurotransmitter move towards motor end plate.
Calcium ion channels open so that Ca2+ diffuses quickly into motor end plate.
Neurotransmitter is released into neuromuscular junction
Gated channels on sarcolemma open
Neurotransmitter diffuses across neuromuscular junction towards sarcolemma
Sarcolemma depolarised
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