Figure 4

Compact structure of an intermediate thrombus. (a) Cross section of thrombus in SEM view. (b) Compact structure of thrombus periphery, with clusters of RBCs encased in a compact matrix of platelets and fibrin. (c) Compact core of thrombus, showing aggregates of polyhedrocites encased in a compact matrix of fibrin and platelets. (d) Higher magnification view from (c), showing the fibrin-platelets matrix.