Injury, whatever it is, unlikely to hold Crabtree back

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On Thursday, the 49ers announced that Michael Crabtree had a rib injury, head coach Jim Harbaugh said the wide receiver had hurt his knee and Crabtree told reporters the issue involved his abdomen.

Whatever the case, it doesn’t appear Crabtree will be sidelined when the 49ers visit the Raiders on Sunday. Crabtree participated in practice Monday after he was injured on the second offensive play of a 19-3 loss to the Seahawks. Crabtree played 37 snaps, which matched a season low.

“He’s working through some things,” Harbaugh said Monday. “Talked to him this morning. He said it was going well.”

In other injury news, right tackle Anthony Davis was not participating at the start of practice, although Harbaugh said Davis was experiencing fewer symptoms from the concussion he suffered Nov. 16.

In addition, nose tackle Glenn Dorsey (biceps) and cornerback Tramaine Brock (hamstring) were not participating. Harbaugh said it could be another week before Dorsey makes his 2014 debut after he had a torn biceps in training camp.

Meanwhile, it appears increasingly unlikely that inside linebacker NaVorro Bowman (knee) will play this season. Harbaugh said he doesn’t expect Bowman to practice this week. The 49ers have until next Tuesday to either place Bowman on the 53-man roster or end his season by keeping him on the physically unable to perform list.

Carroll on tweet: Seattle head coach Pete Carroll was asked how he’d feel if the Seahawks’ owner, Paul Allen, tweeted after a loss that the defeat “wasn’t acceptable.”

Carroll smiled and said, “Our owner would never do that,” according to the Seattle Times.

San Francisco 49ers' Michael Crabtree is injured early in 1st quarter as Seattle Seahawks' Bobby Wagner looks on in NFL game at Levi's Stadium in Santa Clara, Calif., on Thursday, November 27, 2014. San Francisco 49ers' Michael Crabtree is injured early in 1st quarter as Seattle Seahawks' Bobby Wagner looks on in NFL game at Levi's Stadium in Santa Clara, Calif., on Thursday, November 27, 2014. Photo: Scott Strazzante, The Chronicle Photo: Scott Strazzante, The Chronicle Image 1 of / 1 Caption Close Injury, whatever it is, unlikely to hold Crabtree back 1 / 1 Back to Gallery

The question was in reference to a tweet from 49ers CEO Jed York after Seattle’s win at Levi’s Stadium.

Transaction: The 49ers re-signed outside linebacker Chase Thomas to their practice squad after they released him from the 53-man roster Thursday. Thomas, who played at Stanford, spent time on the practice squad this season before he was promoted.