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  2. Platelet - Wikipedia

    en.wikipedia.org/wiki/Platelet

    The PFA-100 (Platelet Function Assay — 100) is a system for analysing platelet function in which citrated whole blood is aspirated through a disposable cartridge containing an aperture within a membrane coated with either collagen and epinephrine or collagen and ADP. These agonists induce platelet adhesion, activation and aggregation, leading ...

  3. Thrombopoiesis - Wikipedia

    en.wikipedia.org/wiki/Thrombopoiesis

    Platelets are regulators of hemostasis and thrombosis. Platelets become active in the blood following vascular injury. Vascular injury causes platelets to stick to the cellular matrix that is exposed under the endothelium, form a platelet plug, and then form a thrombus. Platelets are essential in the formation of an occlusive thrombus and are ...

  4. Blood cell - Wikipedia

    en.wikipedia.org/wiki/Blood_cell

    They circulate in the blood of mammals and are involved in hemostasis, leading to the formation of blood clots. Platelets release thread-like fibers to form these clots. The normal range (99% of population analyzed) for platelets is 150,000 to 450,000 per cubic millimeter. [6] If the number of platelets is too low, excessive bleeding can occur.

  5. Blood - Wikipedia

    en.wikipedia.org/wiki/Blood

    Ineffective or insufficient platelets can also result in coagulopathy (bleeding disorders). Hypercoagulable state (thrombophilia) results from defects in regulation of platelet or clotting factor function, and can cause thrombosis. Infectious disorders of blood Blood is an important vector of infection.

  6. Coagulation - Wikipedia

    en.wikipedia.org/wiki/Coagulation

    Exposure of blood to the subendothelial space initiates two processes: changes in platelets, and the exposure of subendothelial platelet tissue factor to coagulation factor VII, which ultimately leads to cross-linked fibrin formation. Platelets immediately form a plug at the site of injury; this is called primary hemostasis.

  7. Procoagulant platelets - Wikipedia

    en.wikipedia.org/wiki/Procoagulant_platelets

    Procoagulant platelets are a functional subgroup of platelets with distinct properties in physiological haemostasis. Following strong activation, procoagulant platelets express phosphatidylserine on their surface and become highly efficient in sustaining thrombin generation and parallelly gain pro-haemostatic function by retaining α-granule proteins on their membranes. [1]

  8. Chrissy Teigen Is Unrecognizable in Laser Face Mask as She ...

    www.aol.com/chrissy-teigen-unrecognizable-laser...

    Chrissy Teigen is indulging in some skincare self-care.. On Thursday, Jan. 30, the model and cookbook author, 39, shared an Instagram Stories clip of herself looking unrecognizable as she sported ...

  9. Alpha granule - Wikipedia

    en.wikipedia.org/wiki/Alpha_granule

    Alpha granules, (α-granules) also known as platelet alpha-granules are a cellular component of platelets. Platelets contain different types of granules that perform different functions, and include alpha granules, dense granules, and lysosomes. [1] Of these, alpha granules are the most common, [1] making up 50% to 80% of the secretory granules ...