clasp-knife effect
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clasp-knife rigidity — an exaggerated stretch reflex of skeletal muscles seen in spasticity and decerebrate rigidity, resembling the opening of a penknife or clasp knife; there is increased resistance to the extensors (induced by passive flexion of a joint), which… … Medical dictionary
effect — The result or consequence of an action. [L. efficio, pp. effectus, to accomplish, fr. facio, to do] abscopal e. a reaction produced following irradiation but occurring outside the zone of actual radiation absorption. additive e. an e. wherein two … Medical dictionary
Spasticity — A state of increased tone of a muscle (and an increase in the deep tendon reflexes). For example, with spasticity of the legs (spastic paraplegia) there is an increase in tone of the leg muscles so they feel tight and rigid and the knee jerk… … Medical dictionary
The Disasters of War — Plate 3: Lo mismo (The same). A man about to cut off the head of a soldier with an axe.[1] … Wikipedia
Hypertonia — This article is about increased activity and resistance in muscles. For increased blood pressure, see Hypertension. Hypertonia Classification and external resources ICD 10 P94.1 ICD 9 … Wikipedia
nervous system disease — Introduction any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… … Universalium
Expressive aphasia — Classification and external resources Broca s area and Wernicke s area ICD 10 F80 … Wikipedia
Hemispatial neglect — Classification and external resources Hemispatial neglect is most frequently associated with a lesion of the right parietal lobe (in yellow, at top) ICD 9 … Wikipedia
Weber's syndrome — Classification and external resources Midbrain cross section showing lesion ICD 10 G … Wikipedia
reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… … Medical dictionary
