respiratory epithelium


Also found in: Encyclopedia, Wikipedia.

res·pi·ra·to·ry ep·i·the·li·um

the pseudostratified ciliated epithelium that lines much of the conducting portion of the airway, including part of the nasal cavity and larynx, the trachea, and bronchi.
References in periodicals archive ?
Severe inflammatory reaction consisting of heterophils, lymphocytes, histiocytes, multinucleated giant cells (<), fibrin, complete loss of the respiratory epithelium and necrosis of the tracheal cartilage (*) are shown.
Histopathological examination results showed a polypoid lesion that was covered with ciliated pseudostratified respiratory epithelium and that comprised many glandular spaces with ducts of various sizes, which were embedded in a fibrous stroma.
In addition to playing a critical role in pathogen killing, PMNs cause bystander injury to the respiratory epithelium and thereby increase permeability of the alveolocapillary barrier (Zemans et al.
dabryanus mainly uses its posterior intestine to carry out air-breathing and surface of posterior intestine was covered by a layer of highly capillarilalized respiratory epithelium cells.
For example, three of the six tongue sections demonstrated expression of BPIFA1 in the squamous epithelium (Figure 7) and six of the nine minor glands from the palate had respiratory epithelium associated; ciliated cells from this region were strongly positive for BPIFA1 (Figure 7).
Immunohistochemical analysis detected rare, scattered, virus antigen-positive cells in respiratory epithelium of turbinates (Figure 4, panel B) and in rare cells interpreted to be intraepithelial leukocytes.
In meeting this objective, parameters can be established to complete an in vitro model of the respiratory epithelium that would lead to assessing the effects of eotaxin levels when exposed to potential anti-inflammatory agents, such as omega-3 fatty acids in menhaden fish oil and hydrocortisone
Pathological examination of the mass revealed mature teratoma with cystic structures lined by stratified squamous epithelium and at places cartilage, respiratory epithelium, pancreatic epithelium, urothelial epithelium, mucous secreting glands, muscle fibers, and epidermal cyst (Figures 6 and 7).
In my own practice of pulmonary pathology, I limit a definitive diagnosis of UIP to cases where cystic bronchiolectasis with respiratory epithelium is identified.
Possible mechanisms by which oral bacteria can cause respiratory infection are as follows: a) Aspiration of oral pathogens into lungs, b) Adhesion and colonization of respiratory pathogens under influence of salivary enzymes, c) Periodontal disease associated enzymes may destroy salivary pellicle on respiratory bacteria, d) Cytokines released during periodontal disease may alter respiratory epithelium and promote respiratory diseases.
The normal tympanic cavity is covered with a single layered and flattened or cuboidal respiratory epithelium, and it does not contain any glandular tissue.

Full browser ?