||Definition Thrombosis is the process of formation of solid mass in circulation from the constituent of blood.
||Definition Embolism is the process of partial or complete obstruction of cardiovascular system by any mass which can be solid, liquid, gaseous.
||The formed mass is called thrombus.
||Formed mass is called embolus.
||Pathologenesis Locally formed.
||Pathologenesis Travelled from distance
||Attachment to vessel wall firmly adherent
||Loosely attached or lying free.
||Microscopy-Platelet & fibrin in layer. Line of zahn seen alternate white or red layer, red are soft. & white are firm or pale.
||Microscopy Mixed with blood clot, lines of zahn are rarely seen.