The goblet cells secrete mucin proteins in a matrix composed of water, complex sugars, salts which form the mucus. This matrix is distributed evenly on the surface of the epithelium by the ...

The trachea has a number of adaptations: cartilage rings in the walls of the trachea help to keep it open ciliated epithelium and goblet cells to clean ... the lungs. Cilia are small hairs which ...

Goblet cells secrete mucus, forming a protective layer that prevents harmful pathogens from reaching the inner gut tissues.

Prachee Avasthi took a winding path to specializing in studying cilia—the hairlike appendages that enable cells to move about and sense their environments. During her undergraduate days at the ...