Platelet, SEM

Numéro d’image : 13733317
Platelet, SEM
Scanning electron micrograph (SEM) showing an activated platelet (thrombocyte) trapped in a mesh of fibrin strands and erythrocytes during the hemostatic process of wound healing. The shell of the platelet has collapsed and no longer visible. Numerous vesicles have been released into the wound area. The vesicles contain a large number of enzymes and growth factors, thereby attracting cells needed during the following stages of wound healing. Vessel wall injury triggers the attachment and activation of platelets and the generation of fibrin polymers from fibrinogen. Platelets and fibrin combine to form a blood clot containing erythrocytes.
Licence : Droits gérés
Crédit: Science Photo Library / PETER SCHUPBACH
Taille de l’image : 4096 px × 3072 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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