F/col TEM of section through blood platelets
Bildnummer 11869749
| False colour transmission electron micrograph of a section through activated blood platelets. Platelets (thrombocytes) are formed in the bone marrow,and circulate in blood in large numbers. In an unactivated state they are round/oval,whereas activated platelets develop pseudopodia,or extensions from the cell walls. Platelets contain cytoplasmic organelles such as mitochondria (small grey bodies),endoplasmic reticulum & granules (dark stain). Platelets function in 2 ways; they plug defects in the walls of capillaries & also are involved in clott- ing. They also release serotonin,a blood vessel constrictor substance. Mag: x22,000 at 6x7cm size | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / NIBSC |
| Bildgröße: | 4896 px × 3657 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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