| 释义 |
plasma thromboplastin antecedent
Thesaurus| Noun | 1. | plasma thromboplastin antecedent - coagulation factor whose deficiency results in a hemorrhagic tendencyfactor XIclotting factor, coagulation factor - any of the factors in the blood whose actions are essential for blood coagulation |
plasma thromboplastin antecedent
plasma thromboplastin antecedent[′plaz·mə ¦thräm·bō¦plas·tən ′ant·i‚sēd·ənt] (biochemistry) factor XI plasma thromboplastin antecedent
antecedent [an″te-se´dent] a precursor.plasma thromboplastin antecedent (PTA) factor XI, one of the coagulation factors.fac·tor XIin the clotting of blood, also known as plasma thromboplastin antecedent, a component of the contact system that is absorbed from plasma and serum by glass and similar surfaces. Its active form, factor XIa (EC 3.4.21.27), is a serine proteinase converting factor IX to factor IXa. Deficiency of factor XI results in a hemorrhagic tendency; is caused by an autosomal recessive gene. Synonym(s): plasma thromboplastin antecedentfac·tor XI (fak'tŏr) A plasma coagulation factor; a component of the contact system that is absorbed from plasma and serum by glass and similar surfaces. Deficiency of factor XI results in a hemorrhagic tendency.
Synonym(s): plasma thromboplastin antecedent. fac·tor XI (fak'tŏr) In blood clotting, a component of the contact system that is absorbed from plasma and serum by glass and similar surfaces. LegalSeeAntecedentAcronymsSeePTAplasma thromboplastin antecedent
Related to plasma thromboplastin antecedent: plasma thromboplastin component, Factor xiaSynonyms for plasma thromboplastin antecedentnoun coagulation factor whose deficiency results in a hemorrhagic tendencySynonymsRelated Words- clotting factor
- coagulation factor
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