Tonsil. Light micrograph of a section through the surface of a tonsil,showing a lymphoid nodule (purple). Tonsils are lymph nodes,which filter pathogens from tissue fluid. The lymphoid nodules house the immune system's B cells (B lymphocytes,a type of white blood cell) and antibodies. At top is the upper surface of the tonsil,which consists of stratified squamous epithelial cells (yellow),which are flat and scale-like in structure | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 3507 px × 2490 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |