pseudostratified epithelium

(redirected from Pseudostratified columnar)
Also found in: Encyclopedia.

pseu·do·strat·i·fied ep·i·the·li·um

an epithelium that gives a superficial appearance of being stratified because the cell nuclei are at different levels, but in which all cells reach the basement membrane, hence it is classed as a simple epithelium.

pseu·do·strat·i·fied ep·i·the·li·um

(sū'do-strat'i-fīd ep'i-thē'lē-ŭm)
An epithelium that gives a superficial appearance of being stratified because the cell nuclei are at different levels, but in which all cells reach the basement membrane.

pseudostratified epithelium

Epithelium in which the bases of cells rest on the basement membrane but the distal ends of some do not reach the surface. Their nuclei lie at different levels, giving the appearance of stratification.
See also: epithelium

pseu·do·strat·i·fied ep·i·the·li·um

(sū'do-strat'i-fīd ep'i-thē'lē-ŭm)
An epithelium that gives a superficial appearance of being stratified because the cell nuclei are at different levels, but in which all cells reach the basement membrane.
References in periodicals archive ?
The epithelium of crop appears to be pseudostratified columnar epithelium that is composed of only one-cell type (i.
Given their similar location and their large numbers of basally-directed secretion granules, the cells of the primordial spine's ectoderm-derived pseudostratified columnar epithelial layer may be identified as ameloblasts.
Figure 4 shows that flagellated cells are losing their characteristic morphology and the pseudostratified columnar epithelium is in the course of disorganization at the surface of such metamorphosing larva.
Present study showed adult prostate consists of fibromuscular tissue which constitute one third of the whole mass and the glandular epithelium is simple or pseudostratified columnar.
Microscopically, polypoid structures consisted of swollen myxomatous stroma lined by pseudostratified columnar epithelium.
A histopathological examination of the parameatal cyst wall revealed an outer surface covered by ceratinized stratified squamous epithelium and an inner surface of the dermis lined by pseudostratified columnar and squamous epithelium No inflammatory and malignancy signs were present.
Microscopically, both the surface and the clefts were covered with a ciliated pseudostratified columnar epithelium (figure 4).
In one large series of 64 cysts, 41% of cysts showed pseudostratified columnar epithelium only, and in, respectively, 14% or 23% stratified squamous epithelium or cuboidal epithelium was also present.
These ducts are mainly located in the extralobular connective tissue, composed of pseudostratified columnar epithelium.
Histopathologically lining of the cyst is pseudostratified columnar epithelium with numerous goblet cells.
5: The central lumen is lined by pseudostratified columnar cells with muscle bundles seen deep to this layer.