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  2. Coagulation - Wikipedia

    en.wikipedia.org/wiki/Coagulation

    The division of coagulation in two pathways is arbitrary, originating from laboratory tests in which clotting times were measured either after the clotting was initiated by glass, the intrinsic pathway; or clotting was initiated by thromboplastin (a mix of tissue factor and phospholipids), the extrinsic pathway. [31]

  3. Hemolytic anemia - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_anemia

    Hemolytic anemia accounts for 5% of all existing anemias. [2] It has numerous possible consequences, ranging from general symptoms to life-threatening systemic effects. [2] The general classification of hemolytic anemia is either intrinsic or extrinsic. [3] Treatment depends on the type and cause of the hemolytic anemia. [2]

  4. Contact activation system - Wikipedia

    en.wikipedia.org/wiki/Contact_activation_system

    This test is used to measure the contact activation pathway (intrinsic pathway) and the common pathway of clotting. [7] FXII is a zymogen, which means that it requires processing to attain its catalytic protease activity. Upon binding to surfaces, FXII alters in its conformation, giving it low-level protease activity.

  5. Coagulation screen - Wikipedia

    en.wikipedia.org/wiki/Coagulation_screen

    PR (prothrombin ratio) for the tissue factor pathway (extrinsic pathway) aPTT (Activated Partial Thromboplastin time) for the contact activation pathway (intrinsic pathway) TCT or fibrinogen assay for final common pathway (THROMBIN TIME) Two other tests are regularly performed at the same time: blood count, to detect other hematological ...

  6. Hemolysis - Wikipedia

    en.wikipedia.org/wiki/Hemolysis

    A red blood cell in a hypotonic solution, causing water to move into the cell A red blood cell in a hypertonic solution, causing water to move out of the cell. Hemolysis or haemolysis (/ h iː ˈ m ɒ l ɪ s ɪ s /), [1] also known by several other names, is the rupturing of red blood cells (erythrocytes) and the release of their contents into surrounding fluid (e.g. blood plasma).

  7. Tenase - Wikipedia

    en.wikipedia.org/wiki/Tenase

    Extrinsic tenase complex is made up of tissue factor, factor VII, and Ca 2+ as an activating ion. Intrinsic tenase complex contains the active factor IX (IXa), its cofactor factor VIII (VIIIa), the substrate (factor X), and they are activated by negatively charged surfaces (such as glass, active platelet membrane, sometimes cell membrane of ...

  8. Extrinsic pathway - Wikipedia

    en.wikipedia.org/wiki/Extrinsic_pathway

    The extrinsic pathway of apoptosis refers to cell death induced by external factors that activate the death-inducing signaling complex. The extrinsic pathway of blood coagulation is also known as the tissue factor pathway and refers to a cascade of enzymatic reactions resulting in blood clotting and is done with the addition of injured tissue ...

  9. Intrinsic pathway - Wikipedia

    en.wikipedia.org/wiki/Intrinsic_pathway

    The intrinsic pathway of apoptosis (also known as the mitochondrial pathway, intracellular pathway, or intrinsic apoptosis), cell death initiated by changes in mitochondria. The intrinsic pathway of blood coagulation (also known as the contact activation pathway), a cascade of enzymatic reactions resulting in blood clotting.