OVERSEAS / COLLECTION CNRI / SPL OVERSEAS / COLLECTION CNRI / SPL
Nasal lining. Light micrograph of a section through the epithelial lining of the nasal cavity. The epithelial cells (pink, lower frame) have microscopic hair-like structures known as cilia (not seen) on their exposed surfaces. These are covered with a sticky mucus that traps dust and other inhaled particles. The mucus is produced by the Bowman's glands in the underlying mucous membrane. Magnification: x700 when printed at 10cm wide.
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