there are mucus-producing cells called goblet cells. The connective tissue layer beneath the mucosal epithelium contains seromucous glands which also produce mucus. The respiratory tract produce about ...

Changes in submucosal glands are not prominent except in severe disease. In chronic obstructive pulmonary disease (COPD), increased mucin stores occur because of surface epithelial mucous ...

48 Congenital esophagus stenosis has been classified histologically as follows: Group I: tracheobronchial rests (cartilage, respiratory mucus glands, ciliated epithelium) Group II: membranous ...

It comprises the largest immune organ in the body and can be viewed as a single layer of epithelium covered by mucus, in which ... alongside secretory glandular tissue (mammary and salivary).

The gastric mucosa lines the stomach and contains the gastric glands, which secrete ... have a single layer of columnar epithelial cells, known as surface mucous cells or foveolar cells.

performed live imaging of human bronchial epithelium cells exposed to COVID-19. In the study, investigators observed that the movement of mucus can spread the COVID-19 virus inside the respiratory ...

48 Congenital esophagus stenosis has been classified histologically as follows: Group I: tracheobronchial rests (cartilage, respiratory mucus glands, ciliated epithelium) Group II: membranous ...