The Greattoe reflex, also known as the Babinski reflex, is a neurological test used to assess the functioning of the central nervous system. This reflex is triggered when the sole of the foot is stroked, causing the big toe to extend upward while the other toes fan out. Synonyms for the Greattoe reflex include Babinski sign, plantar reflex, or extensor response. This reflex is crucial in evaluating the integrity of the brain and spinal cord, and abnormal responses can indicate underlying neurological issues. Understanding these synonyms can aid medical professionals in accurately assessing patients' neurological conditions and providing appropriate care.