| 释义 |
decerebrate, a.|diːˈsɛrɪbrət|
[f. de- + cerebrum: see -ate2.]
Deprived of the cerebrum; having the cerebrum removed or the brain-stem cut; also, resulting from this, as decerebrate rigidity, a state in which the limbs are extended and certain skeletal muscles rigidly contracted. So decereˈbration, removal of the cerebrum, cutting of the brain-stem.
1897C. S. Sherrington in Proc. R. Soc. LXI. 244, I have found the ‘long intra-spinal reflexes’, like sub-cerebral rigidity (‘decerebrate tonus’,) locally abolished..by total severance of the sensory spinal roots belonging to their own region of terminal discharge. 1898― in Jrnl. Physiol. XXII. 319 In a communication to the Royal Society in 1896 I described under the name decerebrate rigidity a condition of long-maintained muscular contraction supervening on removal of the cerebral hemispheres. 1900Dorland Med. Dict. 192/2 Decerebration, the removal of the brain in performing craniotomy. 1902Encycl. Brit. XXXI. 744/1 The decerebrate monkey exhibits ‘cataleptoid’ reflexes. Father Kircher's experimentum mirabile with the fowl and the chalk line succeeds best with the decerebrate hen. 1915W. Osler Let. 29 July in H. Cushing Life (1925) II. 484 It is a sort of psychical decerebration... I suppose it is the shock & strain. 1927Haldane & Huxley Anim. Biol. vi. 139 A ‘decerebrate’ animal, i.e. one in which the cerebral hemispheres have been removed, though unconscious, can to some extent adjust its standing posture. 1950Sci. News XV. 19 An anaesthetised, or decerebrate animal. 1969‘M. Innes’ Family Affair xvii. 187 Oswyn's virtually decerebrate, of course. 1970J. Crossland Lewis's Pharmacol. (ed. 4) ix. 181 Decerebration (which involves destruction of the brain above the level of the midbrain) releases this restraint and causes decerebrate rigidity. |