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单词 pseudostratified
释义

pseudostratifiedadj.

Brit. /ˌs(j)uːdəʊˈstratᵻfʌɪd/, U.S. /ˌsudoʊˈstrædəˌfaɪd/
Origin: Formed within English, by compounding. Etymons: pseudo- comb. form, stratified adj.
Etymology: < pseudo- comb. form + stratified adj., in sense 1 after pseudostratification n.
1. Geology. Of or exhibiting pseudostratification.
ΘΚΠ
the world > the earth > structure of the earth > structural features > sedimentary formation > [adjective] > of or belonging to a stratum > pseudo
pseudostratified1874
1874 Q. Jrnl. Geol. Soc. 30 245 When the northern face of this mountain is viewed from a little distance, the whole mass presents the appearance of being made up of a number of concentrically curved beds. This pseudo-stratified appearance is..very frequently presented by masses of undoubted igneous origin.
1940 Trans. Geol. Soc. S. Afr. 42 59 The rocks in this area are very clearly pseudostratified and form hilly country.
1955 J. H. Wellington Southern Africa xi. 164 In the Transvaal the chromitite occurs as sheets in the pseudo-stratified norite around the margin of the bushveld basin.
1986 Tectonophysics 127 383 The diaschysis..is characterized by alkaline magmatites, pseudostratified gabbro-ultrabasite plutons and carbonatites.
2. Histology. Of epithelium: composed of a single layer of columnar cells all of which are in contact with the basement membrane but whose nuclei are at varying distances from it, giving the appearance of several layers of cells.
ΘΚΠ
the world > life > biology > substance > [adjective] > other types of
organical1770
siliceous1813
molecular1826
fibroid1852
homoblastic1888
pseudostratified1900
homostatic1952
homovital1952
1900 H. H. Cushing tr. A. A. Böhm & M. von Davidoff Text-bk. Histol. 77 Pseudostratified columnar epithelium.—This type is one in which all the cells rest on a basement membrane, but they are so placed that the nuclei come to lie in different planes.
1974 J. A. G. Rhodin Histol. iii. 72/1 Non-ciliated pseudo-stratified columnar epithelium occurs in parts of the male urethra, excretory ducts of many glands, the ductus epididymis.., and the ductus deferens.
2005 Sleep Med. Rev. 9 440/1 In the posterior area [of the nose] the mucous membranes are composed of ciliated pseudostratified columnar epithelium (respiratory type).
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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adj.1874
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