Akpabio made the rebuttal at the resumption of plenary on Wednesday, after a week recess.
Akpoti-Uduaghan had on a popular television programme, accused Akpabio of making sexual advances at her, a reason to which she attributed her issues recently at the chamber with the Senate president.
Trouble started between the duo when, on February 20, Akpoti-Uduaghan alleged that her seat was re-allocated in the upper chamber without her knowledge.