a reflex elicited by tapping the Achilles tendon at the ankle, producing plantar (downward) flexion of the foot.
| 单词 | θ18500 |
| 释义 | the world > life > biology > biological processes > action of nervous system > [noun] > reflex action > type of (7) ankle jerk1882 a reflex elicited by tapping the Achilles tendon at the ankle, producing plantar (downward) flexion of the foot. spinal reflex1898 a reflex involving the spinal cord but not the brain. research knee-jerk1899 a patellar reflex elicited deliberately, for experimental or diagnostic purposes. Hoffmann('s) reflex1900 Used attributively and in the possessive to designate various signs, etc., discovered or described by Johann Hoffmann, as Hoffmann('s) atrophy = Werd… unconditioned reflex1906 unconditioned reflex, an inborn, instinctual reflex or reflex action (cf. conditioned, adj. 7b). So unconditioned stimulus. startle reflex1917 An involuntary reaction to a sudden stimulus, esp. a loud noise, often involving contraction of groups of muscles of the limbs and neck; a similar… startle response1933 An involuntary reaction to a sudden stimulus; spec. = startle reflex, n. |
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