| 单词 |
Rolandic |
| 释义 |
Rolandic, a. Anat.|rəʊˈlændɪk|
Also rolandic.
[f. next + -ic.]
Used to designate various features of the central nervous system associated with Rolando (see next), as (a) the motor region or area of the cerebral cortex; (b) the fissure or sulcus of Rolando; (c) the angle at which the fissure of Rolando meets the median plane of the brain.
1881C. G. Comegys tr. J. M. Charcot's Lect. Dis. Spinal Cord v. 49 We have enclosed within these pyramidal lines, what is known as the Rolandic region of the cerebral cortex, and which represents..a region endowed with special physiological properties. 1883W. B. Hadden tr. J. M. Charcot's Lect. Localisation of Cerebral & Spinal Dis. v. 193 The central, median, or, if you will so term them, the Rolandic convolutions. 1890Jrnl. Anat. & Physiol. XXV. 3 In most hemispheres a small variable tertiary furrow may be detected below the lower end of the Rolandic fissure. Ibid. 19 By the ‘Rolandic angle’ I mean the angle which is formed by the meeting of the upper end of the sulcus with the mesial plane. 1908H. E. Santee Anat. Brain & Spinal Cord (ed. 4) iii. 56 The average Rolandic angle is 71° 7′. 1910G. G. Davis Appl. Anat. 36 The Rolandic area embraces the ascending frontal, or precentral, and posterior portion of the three frontal convolutions, the former being in front of the fissure of Rolando, or central fissure. 1921Tilney & Riley Form & Functions Central Nerv. Syst. xxxvi. 643 The entire length of the Rolandic fissure is 8 cm. Ibid., The gyrus Rolandicus...extended the entire length of the two Rolandic fissures. 1962M. C. H. Dodgson Growing Brain vii. 55 The determination of Cunningham's Rolandic Index may be useful in doubtful instances. 1972M. L. Barr Human Nerv. Syst. xiii. 207 The rolandic sulcus indents the superior border of the hemisphere about 1 cm behind the midpoint between the frontal and occipital poles. 1974L. F. Sies Aphasia Theory & Therapy i. 54 The third area..is located within the mid⁓saggital fissure, just anterior to the Rolandic motor foot area. |
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