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单词 callosal
释义

callosaladj.

Brit. /kəˈləʊsl/, U.S. /kəˈloʊs(ə)l/
Origin: A borrowing from Latin, combined with an English element. Etymons: Latin callōsus , -al suffix1.
Etymology: < classical Latin callōsus callous adj. + -al suffix1, after corpus callosum at corpus n. 2.
Anatomy.
Of or relating to the corpus callosum of the brain.
ΘΚΠ
the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [adjective] > commissure
commissural1815
callosal1852
callosomarginal1861
precommissural1864
supra-optic1900
chiasmatic1912
suprachiasmatic1938
1852 J. H. Corbett Anat. Arteries 85 The two callosal arteries inosculate at the posterior extremity of the longitudinal fissure with branches, which ascend from the posterior arteries of the brain.
1890 Jrnl. Anat. 25 i. 116 Marginal, callosal and hippocampal gyri are all differentiated.
1908 Brain 31 204 The extreme instructiveness of this case lies in the production of a left-sided dyspraxia by a lesion which has done little else than destroy callosal fibres.
1966 W. H. McMenemey in G. P. Wright & W. S. Symmers Systemic Pathol. II. xii. 1275/1 The symptoms that might result from a callosal defect..are obscured by the mild dementia and loss of coordination that characterize the drunkard.
2006 G. Buzsáki Rhythms of Brain ii. 50 Interhemispheric communication through thin callosal fibers..may lead to delays of more than 25 milliseconds.
This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021).
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adj.1852
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