HENNING DALHOFF / SCIENCE PHOTO LIBRARY HENNING DALHOFF / SCIENCE PHOTO LIBRARY
Mucous membrane. Computer illustration of a section through the lining of the respiratory system. Across lower centre are epithelial cells that have microscopic hair-like structures called cilia on their exposed surfaces. The cilia are covered with a sticky mucous produced by goblet cells (blue) within the epithelium. The mucous traps dust and other inhaled particles and the cilia beat to move it upwards out of the respiratory tract.
Model release not required. Property release not required.