Blood is a liquid tissue. Suspended in the watery plasma are three major types of cells and cell fragments: Red blood cells (RBCs) or erythrocytes, White blood cells (WBCs) or leukocytes and Platelets or thrombocytes. WBCs and Platelets are contained in the Buffy Coat obtained after blood centrifugation:
Source: Wikipedia (blood fractionation)
Biorigen uses the platelets included in the Buffy Coat as a source for manufacturing Lyset™.
Platelets circulate in the blood of mammals and play a fundamental role in tissue repair in hemostasis, leading to the formation of blood clots. This process is mainly due to growth factors which are present in the platelets (See after).
Herebelow are some facts about blood platelets: