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

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]