Patellar reflex
Reflex Re"flex (r?"fl?ks; formerly r?*fl?ks"), n. [L. reflexus a bending back. See {Reflect}.] 1. Reflection; the light reflected from an illuminated surface to one in shade. [1913 Webster]

Yon gray is not the morning's eye, 'Tis but the pale reflex of Cynthia's brow. --Shak. [1913 Webster]

On the depths of death there swims The reflex of a human face. --Tennyson. [1913 Webster]

2. (Physiol.) An involuntary movement produced by reflex action. [1913 Webster]

{Patellar reflex}. See {Knee jerk}, under {Knee}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • patellar reflex — n KNEE JERK * * * the knee jerk, in which stretching the muscle at the front of the thigh by tapping its tendon below the knee cap causes a reflex contraction of the muscle, so that the leg kicks. This is a test of the connection between the… …   Medical dictionary

  • patellar reflex — n. Med. a normal reflex kick with extension of the leg at the knee, produced by sharply tapping the tendon below the patella * * * …   Universalium

  • patellar reflex — n. Med. a normal reflex kick with extension of the leg at the knee, produced by sharply tapping the tendon below the patella …   English World dictionary

  • Patellar reflex — The patellar reflex or knee jerk is a stretch reflex and is a myotatic reflex. MechanismStriking the patellar tendon with a tendon hammer just below the patella stretches the quadriceps tendon. This stimulates stretch sensory receptors (most… …   Wikipedia

  • patellar reflex — noun a reflex extension of the leg resulting from a sharp tap on the patellar tendon • Syn: ↑knee jerk, ↑knee jerk reflex • Hypernyms: ↑reflex, ↑reflex response, ↑reflex action, ↑instinctive reflex, ↑ …   Useful english dictionary

  • patellar reflex — knee jerk reflex contraction of the quadriceps (thigh) muscle so that the leg kicks, elicited in a patient sitting with one knee crossed over the other by sharply tapping the tendon of the muscle below the kneecap. The reflex is mediated through… …   The new mediacal dictionary

  • patellar reflex — noun The reflex which causes a bent knee to kick when the tendon below the patella (kneecap) is tapped. Syn: kneejerk reflex …   Wiktionary

  • patellar reflex. — See knee jerk. [1890 95] * * * …   Universalium

  • patellar reflex. — See knee jerk. [1890 95] …   Useful english dictionary

  • Рефлекс Коленный (Patellar Reflex) — рефлекс, возникающий в ответ на кратковременное растяжение четырехглавой мышцы бедра легким ударом по ее сухожилию ниже надколенника, при котором наблюдается внезапное сокращение четырехглавой мышцы бедра; в результате голень разгибается (рефлекс …   Медицинские термины

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