[A deficiency of blood coagulation factor XI (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. (Dorland, 27th ed) ( MSH )]
UMLS (ICD9CM) C0015523 Relation/PAR: HEMORRHAGIC COND NOS
Coagulation Protein Disorders