1. A Review of Platelet-Rich Plasma: History, Biology, Mechanism of Action, and Classification
Skin Appendage Disord 2018;4: DOI: /
Fig. 1. After centrifugation, the blood components (red blood cells [,]leukocytes, and platelets) are separated from the plasma due to their different densities. The platelets have the lowest density. Adapted from Dohan Ehrenfest et al. [38].
© 2017 S. Karger AG, Basel

2. A Review of Platelet-Rich Plasma: History, Biology, Mechanism of Action, and Classification
Skin Appendage Disord 2018;4: DOI: /
Table 1. Main functions of the growth factors present in platelet-rich plasma
© 2017 S. Karger AG, Basel

3. A Review of Platelet-Rich Plasma: History, Biology, Mechanism of Action, and Classification
Skin Appendage Disord 2018;4: DOI: /
Table 2. Blood collection and centrifugation protocols from different medical devices to obtain platelet-rich plasma
© 2017 S. Karger AG, Basel