Abdominal reflex
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An abdominal reflex is a superficial neurological reflex stimulated by stroking of the abdomen around the umbilicus. It can be helpful in determining the level of a central nervous system (CNS) lesion. Being a superficial reflex, it is polysynaptic (involving multiple connections between nerves).[1]
Roots involved
Thoracic 8th – 12th segments are involved.[1]