patellar tendon reflex

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• Tendon reflex — (or T reflex) may refer to: A stretch reflex, when the stretch is created by a blow upon a muscle tendon. This is the usual definition of the term.[1][2] Deep tendon reflex also usually refers to this sense.[3] The Golgi tendon reflex, motivated… …   Wikipedia

• 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

• Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

• Reflex arc — A reflex arc is a neural pathway that controls an action reflex. In higher animals, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord. This characteristic allows reflex actions to occur relatively quickly by …   Wikipedia

• Patellar ligament — Infobox Ligament Name = Patellar ligament Latin = ligamentum patellae GraySubject = 93 GrayPage = 340 Caption = Right knee joint. Anterior view. (Ligamentum patellae visible at bottom left, below patella.) Caption2 = From = patella To =… …   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

• Reflex — For other uses, see Reflex (disambiguation). A reflex action, also known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus.[1] A true reflex is a behavior which is mediated via the reflex arc; this does… …   Wikipedia

• 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 — 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