antecedent

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antecedent

 [an″te-se´dent]
a precursor.
plasma thromboplastin antecedent (PTA) factor XI, one of the coagulation factors.

an·te·ced·ent

(an'te-sē'dent),
A precursor.
[L. antecedo, to go before]

antecedent

/an·te·ce·dent/ (an″tĭ-se´dent) a precursor.
plasma thromboplastin antecedent  (PTA) coagulation factor XI.

antecedent

[an′ti·sē′dənt]
Etymology: L, antecedentem
a thing or period that precedes others in time or order.

antecedent

adjective Existing or occurring before, which may be linked to subsequent events. See Preexisting.

an·te·ced·ent

(an'tĕ-sē'dĕnt)
A precursor.
[L. antecedo, to go before]

an·te·ced·ent

(an'tĕ-sē'dĕnt)
A precursor.
[L. antecedo, to go before]

antecedent

a precursor.

plasma thromboplastin antecedent
PTA; clotting factor XI. See plasma thromboplastin antecedent.