pseudostratified epithelium

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

pseudostratified epithelium

[¦sü·dō′strad·ə‚fīd ‚ep·ə′thē·lē·əm]
(histology)
A type of epithelium in which all cells reach to the basement membrane but some extend toward the surface only part way, while others reach the surface.
Mentioned in ?
References in periodicals archive ?
Histologically, there are three patterns: urethral type, lined with pseudostratified columnar epithelium; epidermoid type, lined with squamous stratified epithelium; and mixed type, which incorporates both types of epithelium.
The histology revealed muscle bundles and cystically dilated endometrial glands lined by pseudostratified columnar epithelium with extensive area of haemorrhage Figure 1 and 2.
Histopathologically, nasal granuloma was composed by myxomatous stroma filled with inflammatory cells and lined by pseudostratified columnar epithelium.
1,2) The tumor consists of pointed or blunt finger-like processes lined by pseudostratified columnar epithelium (Figure 1, A).
Ductal carcinoma cases were characterized by distinctive pseudostratified columnar epithelial cells in papillary or cribriform architectures, whereas acinar tumors exhibited glands and acini lined by a single layer of cuboidal cells [Figure 1].
Exophytic papilloma shows delicate fibrovascular cores covered by epithelium that varies between three types: squamous; ciliated, pseudostratified columnar respiratory type epithelium; and transitional epithelium (figure 2).
Histopathologically it is lined by pseudostratified columnar epithelium (one to four cell layers thick) mimicking the transitional epithelium of the urethra.
The favoured aetiological theory, posited by Bruggeman in 1920, suggests an origin from the remnant of the embryonic nasolacrimal duct, and is is supported by the fact that both the nasolacrimal duct and nasolabial cysts are lined by the same pseudostratified columnar epithelium, and also by the fact that the cyst is located subjacent to the wing of the nose, in line with the naso-optic fissure.
ABSTRACT Histologically, the epithelium of the digestive tract is pseudostratified columnar type, which is composed of 3 kinds of cells (i.
As this sheet of cells progressed through the dermis, its advancing edges recurved upon themselves and gave rise to an interior adjacent layer of pseudostratified columnar epithelium (Fig.
The larval surface region consists of a pseudostratified columnar epithelium of elongate flagellated cells; however, a basal lamina is absent [ILLUSTRATION FOR FIGURE 1 OMITTED].