flexion reflex


flexion reflex
flexor reflex a reflex that results in movement of a limb or part toward the body, often in response to a painful stimulus; it may cause a crossed extension reflex in the contralateral body part.

Medical dictionary. 2011.

Look at other dictionaries:

  • finger-flexion reflex — see Hoffmann s sign …   The new mediacal dictionary

  • 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

  • crossed extension reflex — reflex extension of a limb or body part in response to a flexion reflex in the contralateral part …   Medical dictionary

  • open loop reflex — a reflex, such as a flexion reflex, in which the stimulus causes activity that it does not further control and that does not give it feedback …   Medical dictionary

  • radial reflex — flexion of the forearm (and sometimes also of the fingers) that occurs when the lower end of the radius is tapped. It is due to contraction of the brachioradialis muscle, which is stimulated by tapping its point of insertion in the radius. * * *… …   Medical dictionary

  • palmar reflex — flexion of the fingers in response to scratching of the palm …   Medical dictionary

  • placing reflex — flexion followed by extension of the lower limb when the infant is held erect and the dorsum of the foot is drawn along the under edge of a table top, seen in the normal infant up to the age of six weeks …   Medical dictionary

  • radial reflex — flexion of the forearm (and sometimes also of the fingers) that occurs when the lower end of the radius is tapped. It is due to contraction of the brachioradialis muscle, which is stimulated by tapping its point of insertion in the radius …   The new mediacal dictionary

  • plantar reflex — noun flexion of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front in persons over the age of 2 years; under 2 years the results should be extension of the toes (Babinski reflex) • Hypernyms: ↑reflex …   Useful english dictionary

  • Withdrawal reflex — The withdrawal reflex (nociceptive or flexor withdrawal reflex) is a spinal reflex intended to protect the body from damaging stimuli.[1] It is polysynaptic, causing stimulation of sensory, association, and motor neurons.[1] Contents 1 Example …   Wikipedia