单词 | cingulum |
释义 | cingulumn. The Latin word for ‘girdle, belt’ [ < root of cingĕre to gird] , occasionally used as a technical term for: Categories » a. The girdle of a priest's alb. b. A surgical cincture or girdle; also the part of the body round which a girdle is worn, the waist. c. Anatomy. A band of dental substance surrounding the base of the crown of the tooth in some animals. ΘΚΠ the world > animals > animal body > general parts > head and neck > [noun] > mouth > tooth or tusk > cingulum cingulum1847 1847 J. Craig New Universal Dict. Cingulum, in Zoology, a term applied to the neck of a tooth, or that constriction which separates the crown from the fang. 1873 St. G. Mivart Lessons Elem. Anat. vii. 264 A ‘band’ of dental substance (termed the cingulum) may surround the tooth. 1877 E. Coues Fur-bearing Animals vii. 205 A simple conical cusp, two-rooted, with..a well-marked cingulum. Categories » d. Zoology. The transverse series of bony bands in the armour of the armadillo. e. The clitellum or band of higher-coloured rings in the body of earthworms. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Annelida > [noun] > class Chaetopoda > order Oligochaeta > family Lumbricidae > member of (earthworm) > band encircling body clitellum1839 cingulum1856 1856–8 W. Clark tr. J. van der Hoeven Handbk. Zool. I. 231 Clitellum or cingulum, a tumid fleshy glandular zone. 1877 T. H. Huxley Man. Anat. Invertebrated Animals v. 221 Cingulum or clitellum. f. Botany. (See quot. 1845.) ΘΚΠ the world > plants > part of plant > stem or stalk > [noun] > part where stem meets root root end1577 cingulum1845 vital node1861 1845 Florist's Jrnl. 6 227 Cingulum, that portion of a plant immediately between the stem and the roots, the neck. g. Anatomy. A long curved bundle of association fibres lying within the cingulate gyrus of the brain and connecting the paraterminal and parahippocampal gyri. ΘΚΠ the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > cerebrum > hemisphere > cingulum cingulum1882 1882 Quain's Elements Anat. (ed. 9) II. 356 (heading) Fibres of the gyrus fornicatus; fillet of the corpus callosum (Mayo); cingulum. 1894 D. J. Cunningham Man. Pract. Anat. II. 529 If the deep surface of the callosal convolution which has been torn away be examined, a large bundle of longitudinally directed fibres will be noticed embedded in its substance. This is the cingulum. 1902 D. J. Cunningham Text-bk. Anat. 548 The cingulum..lies under cover of the callosal gyrus. 1969 A. Brodal Neurol. Anat. (ed. 2) 650 It is customary to distinguish several long bundles. One is the cingulum, passing in the cingulate gyrus. This entry has not yet been fully updated (first published 1889; most recently modified version published online September 2018). < n.1845 |
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