Action potential in the sarcolemma of muscles is generated by |
|||||||
a) |
Neuroinhibitors |
b) |
Acetylcholine |
c) |
Methylcholine |
d) |
Ethylcholine |
Action potential in the sarcolemma of muscles is generated by |
|||||||
a) |
Neuroinhibitors |
b) |
Acetylcholine |
c) |
Methylcholine |
d) |
Ethylcholine |
(b)
Acetylcholine.
The junction between a motor neuron and the sarcolemma of the muscle fibre is called the neuromuscular junction or motor end plate. A neural signal reaching this junction releases a neurotransmitter, acetylecholine which generates an action potential in the sarcolemma