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- Dictionaryreflex arc
noun
- 1. the nerve pathway involved in a reflex action, including at its simplest a sensory nerve and a motor nerve with a synapse between.
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- Reflex arc
Neural pathways which control the reflex
A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This allows for faster reflex actions to occur by activating spinal motor neurons without the delay of routing signals through the brain. The brain will receive the input while the reflex is being carried out and the analysis of the sign... Wikipedia
