Assertion: muscle fiber | /r/HasProperty | stimulated
Facets:
Source sentences:
text: Muscle cells are stimulated when a motor neuron releases the neurotransmitter acetylcholine, which travels across the neuromuscular junction (the synapse between the terminal bouton of the neuron and the muscle cell).
text: If a muscle fiber is stimulated so rapidly that it does not relax at all between stimuli, a smooth, sustained contraction called tetanus occurs (illustrated by the straight line in c above & in the diagram below).