Ibuprofen might have advantages over indomethacin, when used to effectuate closure of a neonate's patent ductus arteriosus (PDA). Several previous studies indicate that platelet plug formation is ...

Platelets are small, anucleate blood cells that play an essential role in hemostasis. Their primary task is to recognize vascular injury, become activated, and aggregate via their surface receptor ...

Megakaryocytes, which are derived from hematopoietic stem cell precursors in bone marrow, form and release platelets; these circulate in the blood for 8 to 10 days before they are removed by hepatic ...

The developing thrombus in a living mouse after vessel-wall injury (Panel A) is characterized by the deposition of platelets (red), tissue factor (green), and fibrin (blue). Platelet thrombus ...

The hemostatic system is maintained by a delicate balance of pro- and anticoagulant factors, allowing for physiologic response to hemorrhage while simultaneously avoiding development of pathologic ...

Intravital microscopy image from the liver of a mouse model: a platelet (turquoise) adheres to the inflamed vessel wall (yellow dashed outline) and sheds a long, filamentous membrane extension—a ...

The coronavirus disease-19 (COVID-19) pandemic that emerged in Wuhan, China, in late December 2019 spread rapidly throughout the world and has caused over 6.5 million deaths. The disease is caused by ...

A recently described hemorrhagic disorder characterized by defective platelet aggregation induced by collagen and epinephrine appears to be caused, in part, by the same abnormality induced by aspirin ...