Pollen grain in nose. Light micrograph of a section through tissue from the human nose showing an embedded pollen grain (centre) surrounded by inflammatory tissue. Inflammation of the nasal passages caused by an allergen (foreign protein) is known as allergic rhinitis. Hay fever is the most common form of this condition. Magnification: x 40 when printed at 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 4849 px × 3604 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |