- A dictionary of medical eponyms

Oppenheim's reflex

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A pyramidal sign. In diseases of the pyramidal tract a firm stroke or other irritation downward of the medial side of the tibia may cause a dorsal flexion of the great toe. This symptom is often present in Babinski’s reflex, meaning the same.


  • H. Oppenheim:
    Zur Pathologie der Hautreflexe der unteren Extremitäten.
    Monatsschrift für Psychiatrie und Neurologie, 1902, 12: 421-423.

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