patellar reflex

2 definitions found

patellar reflex - Collaborative International Dictionary of English v.0.48 :

  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]

patellar reflex - WordNet (r) 2.1 (2005) :

  patellar reflex
      n 1: a reflex extension of the leg resulting from a sharp tap on
           the patellar tendon [syn: knee jerk, knee-jerk reflex,
           patellar reflex]