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 ...

San Francisco, CA - Researchers at UCSF have for the first time identified the gene encoding an ADP platelet receptor that is the target of antithrombotic agents. Their report appears in the January ...

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 ...

When a blood vessel is damaged, your body naturally responds to stop bleeding and loss of blood. Hemostasis or stoppage of bleeding occurs in three steps blood vessel constriction, platelet plug ...

Platelets are the smallest of the human blood cells, measuring about one-tenth the diameter of a white blood cell. They usually circulate freely, maintained in a mobile but inactive state by molecules ...

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 ...

THE term primary or "spontaneous" hemostasis refers to a complex series of biologic events occurring in immediate response to blood-vessel severance or injury. Although damaged or cut blood vessels ...