decerebrate 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… … Medical dictionary
decerebrate — 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 … Medical dictionary
decerebrate — 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 •… … New Collegiate Dictionary
rigidity — 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 … Medical dictionary
decerebrate posturing — see under rigidity … Medical dictionary
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
extensor posturing — decerebrate rigidity … Medical dictionary
Abnormal posturing — Classification and external resources ICD 10 R29.3 ICD 9 781.92 Abnormal posturing is an in … Wikipedia
Decerebration — 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… … Wikipedia
Cerebral aneurysm — Classification and external resources Diagram of cerebral aneurysm. ICD 10 I … Wikipedia
(A), Decerebrate rigidity; (B), decorticate rigidity.
