Luke Crosbie and Richie Gray have been ruled out of the remainder of Scotland's Six Nations campaign.
The former sustained a shoulder injury in the weekend victory over Wales in Cardiff, while the latter has been sidelined with a bicep injury.
WP Nel and Darcy Graham are recovering well from their injuries and they will resume training with Edinburgh this week, says the SRU.
Glasgow Warriors Max Williamson and Alex Samuel are training with the squad this week, along with Jamie Dobie and Euan Ferrie.
Scotland squad for the 2024 Guinness Six Nations:
Forwards
Ewan Ashman – Edinburgh Rugby (13)
Josh Bayliss – Bath Rugby (5)
Jamie Bhatti – Glasgow Warriors (34)
Andy Christie – Saracens (4)
Scott Cummings – Glasgow Warriors (34)
Jack Dempsey – Glasgow Warriors (16)
Rory Darge – Glasgow Warriors (15) CO-CAPTAIN
Grant Gilchrist – Edinburgh Rugby (68)
Matt Fagerson – Glasgow Warriors (41)
Zander Fagerson – Glasgow Warriors (63)
Alec Hepburn – Exeter Chiefs (1)
Johnny Matthews – Glasgow Warriors (1)
Elliot Millar-Mills – Northampton Saints (1)
WP Nel – Edinburgh Rugby (61)
Jamie Ritchie – Edinburgh Rugby (47)
Javan Sebastian – Edinburgh Rugby (7)
Pierre Schoeman – Edinburgh Rugby (27)
Sam Skinner – Edinburgh Rugby (31)
George Turner – Glasgow Warriors (41)
Glen Young – Edinburgh Rugby (3)
Backs
Ben Healy – Edinburgh Rugby (4)
George Horne – Glasgow Warriors (27)
Rory Hutchinson – Northampton Saints (8)
Huw Jones – Glasgow Warriors (44)
Blair Kinghorn – Toulouse (50)
Stafford McDowall – Glasgow Warriors (1)
Ross McCann – Great Britain Sevens (uncapped)
Harry Paterson – Edinburgh Rugby (uncapped)
Ali Price – Edinburgh Rugby (66)
Cameron Redpath – Bath Rugby (9)
Arron Reed – Sale Sharks (uncapped)
Kyle Rowe – Glasgow Warriors (2)
Finn Russell – Bath Rugby (76) CO-CAPTAIN
Kyle Steyn – Glasgow Warriors (16)
Ross Thompson – Glasgow Warriors (3)
Sione Tuipulotu – Glasgow Warriors (23)
Duhan van der Merwe – Edinburgh Rugby (35)
Ben White – Toulon (19)
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