Examlex
The oropharynx moves up and down during swallowing to prevent food or liquids from entering the trachea.
Threshold Level
A threshold level refers to the minimum intensity that stimulates a perceptible response in a physical, biological, or psychological system.
Neuromuscular Junctions
Specialized synaptic contacts between motor neurons and skeletal muscle fibers that facilitate muscle contraction.
Presynaptic Terminal
The terminal segment of an axon responsible for discharging neurotransmitters into the synaptic gap, thereby facilitating communication with an adjacent neuron.
Postsynaptic Membrane
A specialized area of a cell membrane in a neuron, positioned after the synaptic gap, that receives signals from another neuron.
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