| 释义 |
pseudoˈstratified, a.
[pseudo-.]
1. Geol. Exhibiting, or of, pseudostratification (see pseudo- 2.)
1874Q. Jrnl. Geol. Soc. XXX. 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. 1940Trans. Geol. Soc. S. Afr. XLII. 59 The rocks in this area are very clearly pseudostratified and form hilly country.
2. Histology. Applied to epithelium composed of a single layer of columnar cells each in contact with the basal lamina but whose nuclei are at varying distances from it, so that they give the appearance of several layers of cells.
1905J. S. Ferguson Normal Histol. & Microsc. Anat. ii. 30 Diagram showing the manner in which all the epithelial cells of pseudo-stratified ciliated epithelium reach the basement membrane. 1974J. G. A. Rhodin Histology 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. |