Illustration based on SEM of a single T-lymphocyte
Bildnummer 11869606
| Illustration based on a scanning electron micrograph of a single T-lymphocyte,a class of white blood cell. The T-cell develops in the thymus & is a key component of the immune system involved in cell-mediated response to invasion of body by foreign organisms or particles,notably viruses and some bacteria,which are protected from direct attack from antibodies (produced by B- lymphocytes) by their host cells. Unlike B-cells,T-cells do not produce antibodies; instead they recognize selective surface antigens on infected cells and certain types ("killer" T-cells) proceed to destroy infected cells by direct contact | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Leroy, Francis / Biocosmos |
| Bildgröße: | 3543 px × 2480 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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