Factor XI Deficiency
Deficiencies, Factor XI
Deficiency, Factor XI
Factor XI Deficiencies
Plasma Thromboplastin Antecedent Deficiency
A hereditary deficiency of blood coagulation factor XI (also known as plasma thromboplastin antecedent or PTA or antihemophilic factor C) resulting in a systemic blood-clotting defect called hemophilia C or Rosenthal's syndrome, that may resemble classical hemophilia.