contralateral reflexes

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• RÉFLEXES — Le terme de réflexe, sous sa forme latine de motus reflexus , a été introduit dans la langue scientifique du XVIIe siècle par W. T. Willis (1621 1675). Cet auteur voulait signifier ainsi qu’une partie des informations sensorielles transportées… …   Encyclopédie Universelle

• List of reflexes (alphabetical) — A list of reflexes in humans. *Accommodation reflex coordinated changes in vergence, lens shape and pupil size when looking at a distant object after a near object.*Acoustic reflex or stapedius reflex or attenuation reflex contraction of the… …   Wikipedia

• nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

• 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

• syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… …   Medical dictionary

• MOTRICITÉ — L’activité motrice d’un organisme suppose un ensemble de mécanismes qui lui permettent de mouvoir un ou plusieurs de ses segments et ainsi, éventuellement, de se détacher par rapport au substrat, ce qui, à quelques rares exceptions près, est une… …   Encyclopédie Universelle

• Crossed extensor reflex — The crossed extensor reflex is a withdrawal reflex. When the reflex occurs the flexors in the withdrawing limb contract and the extensors relax, while in the other limb, the opposite occurs. [1] An example of this is when a person steps on a nail …   Wikipedia

• CERVELET — Le cervelet, ou petit cerveau, est un organe situé en parallèle sur les grandes voies sensorielles et motrices. Son atteinte ne se traduit ni par une paralysie, ni par une anesthésie, mais par un ensemble de signes qui attestent de perturbations… …   Encyclopédie Universelle

• Spinal cord — Latin medulla spinalis The spinal cord nested in the vertebral column …   Wikipedia

• Central facial palsy — Central facial palsy, (also called colloquially central seven) is a symptom or finding characterized by paralysis or paresis of the lower half of one side of the face. It usually results from damage to upper motor neurons of the facial nerve.The… …   Wikipedia

• 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