factor ix

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Thân thiện
Definition
  1. Noun:
    • A coagulation factor: "Factor IX" is a specific protein in the blood plasma that is essential for the normal clotting of blood. It is one of several substances, known as clotting factors, that work in a sequence to form a blood clot and stop bleeding.
    • Associated with hemophilia B: A deficiency or functional absence of this factor is the cause of the inherited bleeding disorder known as hemophilia B (also called Christmas disease).
Usage Examples
  • Noun:
    • The patient's prolonged bleeding time was due to a deficiency in Factor IX.
    • Hemophilia B is treated by intravenous infusion of concentrated Factor IX.
    • The gene responsible for producing Factor IX is located on the X chromosome.
Advanced Usage
  • "Factor IX complex": A therapeutic concentrate containing Factor IX along with other clotting factors, used in treatment.
    • The surgeon ordered a Factor IX complex prior to the procedure to minimize bleeding risk.
  • "Factor IX activity": A measurement from a blood test that determines how well Factor IX is functioning.
    • His Factor IX activity level was less than 1% of normal, indicating severe hemophilia B.
Variants and Related Words
  • Christmas factor: An alternative name for Factor IX.
  • Coagulation factor IX: The full technical term.
  • FIX: A common abbreviation used in medical literature.
  • Hemophilia B: The condition caused by Factor IX deficiency.
  • Factor VIII: Another crucial clotting factor, whose deficiency causes hemophilia A.
Synonyms
  • Plasma thromboplastin component (PTC): An older synonym for Factor IX.
  • Antihemophilic factor B: Another historical name emphasizing its role in preventing hemophilia B.
Related Phrases
  • Factor IX deficiency: The specific lack of the factor, which is hemophilia B.
    • The diagnosis was confirmed as Factor IX deficiency.
  • Recombinant Factor IX: A genetically engineered version of the clotting factor used in therapy.
    • The patient receives prophylactic injections of recombinant Factor IX.
Noun
  1. coagulation factor whose absence is associated with hemophilia B

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