Nasal epithelium and pollen, SEM

Numéro d’image : 13272268
Nasal epithelium and pollen, SEM
Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. These allergens cause rhinitis, the inflammation of the lining of the upper nasal tract. This causes watering eyes, a runny nose and sneezing in hay fever. The surface of the nasal epithelium is made up of cells with hair-like cilia. These microscopic hair-like structures are covered with a sticky mucus (not seen) that traps inhaled particles. Coordinated, wave-like beating of the cilia propels the mucus to the back of the nose (pharynx), where it is swallowed. Magnification: x6000 when printed at 10 centimetres wide.
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 4027 px × 4339 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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