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biological

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segmental reflex

segmental reflex A segmental reflex is a reflex action produced within a local spinal or bodily segment rather than under normal higher brain control.

A segmental reflex is a reflex action produced within a local spinal or bodily segment rather than under normal higher brain control. In the supplied example, it refers to the bladder cooling reflex, which is active in newborns, later suppressed by descending control, and can return when that inhibition is lost.