decerebrate rigidity
1decerebrate rigidity — an abnormal body posture produced by decerebration. In experimental animals it is marked by rigid extension of the lower limbs (hindlimbs in a quadruped). In humans it is manifested by the person lying in rigid extension with the upper limbs… …
2decerebrate animal — an experimental animal that has been subjected to decerebration; such an animal exhibits rigid extension of the lower limbs, with strong tonic contraction of the extensor muscles and to some extent the flexor muscles. See also decerebrate, and… …
3decerebrate — 1. To cause decerebration. 2. Denoting an animal so prepared, or a patient whose brain has suffered an injury which renders the patient, in neurologic behavior, comparable to a d. animal. * * * de·cer·e·brate ( )dē ser ə brət, .brāt; .dē sə r …
4decerebrate — I. adjective Date: 1897 1. characteristic of decerebration < decerebrate rigidity > 2. having the cerebrum removed or made inactive II. transitive verb Date: circa 1900 to remove the cerebrum from; also to make incapable of cerebral activity •… …
5rigidity — 1. Stiffness or inflexibility. SYN: rigor (1). 2. In psychiatry and clinical psychology, an aspect of personality characterized by an individual s resistance to change. 3. In neurology, one type of increase in …
6decerebrate posturing — see under rigidity …
7clasp-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… …
8extensor posturing — decerebrate rigidity …
9Abnormal posturing — Classification and external resources ICD 10 R29.3 ICD 9 781.92 Abnormal posturing is an in …
10Decerebration — For decerebrate response, see abnormal posturing. Decerebration is the elimination of cerebral brain function in an animal by removing the cerebrum, cutting across the brain stem, or severing certain arteries in the brain stem. Decerebration… …