The squad reassembled on Sunday evening in Carton House.
There were no injury concerns emerging for Head Coach Andy Farrell from Saturday’s Guinness Six Nations Round 1 win over Wales at Aviva Stadium.
Keith Earls will continue his hamstring rehab in Munster over the coming weeks and his progress will be assessed as the Championship progresses.
Rob Herring is unavailable for selection this weekend’s Round 2 trip to Paris to face France with a calf issue and Dave Heffernan has joined the squad.
Ulster trio Michael Lowry, Robert Baloucoune and Nick Timoney have re-joined the squad having featured for Ulster against Connacht in the URC on Friday evening.
Athy's Joey Carbery and Eadestown's Tadhg Beirne have both been named in the squad.

Thursday Morning Sports Update
Former Liverpool And Blackburn Full-Back Inge Bjornebye Joins Rangers As Football Consultant And Advisor
Lizzy Kent Appointed FAI's New Head Of Women And Girls Football
No Afternoon Session At The PDC World Darts Championship Today
Wednesday Morning Sports Update
Tuesday Morning Sports Update
Niall Kelly Retires From Inter County Football
Boxing Promoter Frank Warren Revealed Potential Fight Between Anthony Joshua And Tyson Fury