单词 | tonic labyrinthine reflexes |
释义 | tonic labyrinthine reflexes [`tän·ik ´lab·ǝ`rin´thēn `rē´flek·sǝz] PHYSIOLOGY Rotation or deviation of the head causes extension of the limbs on the same side as the chin, and flexion of the opposite extremities: dorsiflexion of the head produces increased extensor tonus of the upper extremities and relaxation of the lower limbs, while ventroflexion of the head produces the reverse; seen in the young infant and patients with a lesion at the midbrain level or above. |
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