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.

Tuesday Morning Sports Update
All Ireland Football Championship Opening Round Fixtures Confirmed
Tommy O'Brien Among Injury Doubts For Leinster's Champion Cup Final On Saturday
Monday Morning Sports Update
Sunday Evening Sports Update
Mourinho's Benefica Go Unbeaten but Miss Title
Brave Kildare Fall Short in Leinster Ladies Final
Chelsea Appoint Xabi Alonso as New Manager