Computer-enhanced scanning electron microscopy (SEM) illustration of bacteria-degrading enzymes attacking a microbe trapped in the mucous membrane of a nose. Mucous membranes of the respiratory tract provide the first line of defense for the human immune system. Goblet cells found within the epithelium of the nose secrete mucous which contains a bacteria-degrading enzyme | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Anatomical Travelogue |
Bildgröße: | 2100 px × 1924 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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