| 单词 |
Rolando |
| 释义 |
Rolando Anat.|rəʊˈlændəʊ|
The name of Luigi Rolando (1773–1831), Italian anatomist, used with of and attrib. to designate: a. A fissure or sulcus of the brain separating the frontal lobe from the parietal lobe, described by him in 1825 (Mem. d. R. Accad. d. Sci. di Torino XXIX. 163). [tr. F. sillon de Rolando (F. Leuret 1839, in Anat. Comparée du Syst. Nerv. (1839–57) I. vi. 398).]
1839–47R. B. Todd Cycl. Anat. & Physiol. III. 696/2 Two superior convolutions are met with above the fissure of Sylvius, between which is placed..the fissure of Rolando. 1861Proc. Zool. Soc. 248 Fig. 1 was drawn from an almost fresh brain, fig. 2 represents a brain which had been for several months in spirit. The roundness of outline of the latter as compared with the former, and the more transverse direction of the fissure of Rolando, are very remarkable. 1890Jrnl. Anat. & Physiol. XXV. 139 It is a question if the fissure of Rolando is present in any other brains than those of Apes and Man. 1921Tilney & Riley Form & Functions Central Nerv. Syst. xxxvi. 643 The fissure of Rolando has been found interrupted near its middle in the brains of several distinguished men. 1974Encycl. Brit. Macropædia XII. 982/2 The two major grooves on the lateral surface of the brain are the lateral fissure (fissure of Sylvius), which starts at the base of the brain and extends upward and backward on the lateral surface, and the central sulcus (sulcus of Rolando), which runs from the middle of the dorsal border of the hemisphere downward almost to the lateral fissure.
b. The translucent gelatinous substance which fills the ends of the posterior grey horns of the spinal medulla.
1853Busk & Huxley tr. A. Kölliker's Man. Human Histol. I. 408 The posterior, longer and thinner [horns]..at the free edge are invested with a more transparent layer, containing a preponderance of smaller nerve-cells—the substantia gelatinosa of Rolando. 1872H. Power tr. J. Gerlach in S. Stricker Man. Human & Compar. Histol. II. xxx. 361 The posterior cornua are divisible into two portions,..an anterior and a posterior, which last, owing to its peculiar translucency when examined with the naked eye, has long been known as the substantia gelatinosa of Rolando. 1929Hewer & Sandes Introd. Study Nerv. Syst. vi. 20 Fibres..giving off collaterals arborising round cells of the substantia gelatinosa of Rolando. 1976Expr. Brain Res. XXVI. 77 Peripheral neurotomy..induced a series of peculiar, sui generis alterations, both in the Rolando substance and in the dorsal column. |
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