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Neurological Reflex Arc
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Reflex
Role in reflex action: Represents the automatic and rapid response to a stimulus. Neurological significance: Demonstrates the body’s innate ability to protect itself without conscious brain involvement.
Sensory Neuron
Role in reflex action: Transmits the electrical signal from the sensory receptor to the central nervous system. Neurological significance: Acts as the afferent pathway for the reflex arc.
Integration Center
Role in reflex action: Processes the signal and directs an appropriate response. Neurological significance: Typically located in the spinal cord or brain, demonstrating central processing occurs in reflexes.
Effector
Role in reflex action: Carries out the response to the stimulus. Neurological significance: Usually a muscle or gland that responds directly to the motor neuron signaling.
Synapse
Role in reflex action: Junction between two neurons where the impulse is transmitted. Neurological significance: Enables communication within the reflex arc and is critical for signal modulation.
Motor Neuron
Role in reflex action: Conveys signals from the central nervous system to the effector. Neurological significance: Acts as the efferent pathway of the reflex arc.
Sensory Receptor
Role in reflex action: Detects the stimulus. Neurological significance: Initiates the reflex arc by converting a physical stimulus into an electrical signal.
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