| 释义 |
‖ décollement|dekɔlmɑ̃|
[Fr., f. décoller to unstick, disengage.]
1. Med. The process of separating organs or tissues from surrounding parts; also, the state of being thus separated.
1842Dunglison Med. Lex. (ed. 3), Décollement, the state of an organ that is separated from the surrounding parts, owing to destruction of the cellular membrane which united them; the skin is décollée; i.e., separated from the subjacent parts. 1908Practitioner Sept. 455 The third danger zone is behind in the neighbourhood of the portal vein and vena cava. Injury to these vessels may be avoided by practising ‘decollement’ of the duodenum. Ibid., The stage of decollement being completed, ablation may be proceeded with.
2. Geol. A process in which some strata are supposed to become partly detached from those underneath and slide over them, becoming folded.
1927L. W. Collet Structure of Alps ii. viii. 129 The folds of the Jura must be considered..to be due to a phenomenon of ‘décollement’. Ibid. 139 Owing to the push exerted by the Alps in formation, the sedimentary rocks of the Jura have been detached on the Middle Muschelkalk, of which the salt beds played the rôle of a lubricant, and folded. This kind of folding is a ‘décollement’. 1935E. B. Bailey Tectonic Ess. xi. 176 Complications have developed along a plane of décollement (ungluing) in the Trias. 1969M. G. Rutten Geol. W. Europe x. 204 The French literature has become permeated almost completely by the idea of ‘décollement’ in the sense of gravity sliding since about 1950. |