Michael Crabtree didn’t practice today after leaving Wednesday’s session early.

But fear not, faithful. The news is generally good concerning the 49ers wide receiver.

For starters, Crabtree’s injury is evidently minor. When he went to the locker room Wednesday, he wasn’t accompanied by a trainer and offensive coordinator Greg Roman suggested today he had a no-big-deal ailment.

“Mike’s just working through something,” Roman said. “He’s fine.”

Before his injury, though, Crabtree looked far better than fine in training-camp practices. He’s made a series of high-degree-of-difficultly catches, highlighted by a one-handed, left-hander he made on a deep crossing route.

Asked if Crabtree had returned to pre-injury form (he tore his Achilles 14 months ago), Roman said he’s better than ever. In 2012, Crabtree had 85 catches, 1,105 yards and nine touchdowns.

“This training camp, I think, as I look at it, I’m saying he’s better than the old Michael Crabtree,” Roman said. “Why? Physical conditioning. Understanding of the game. I think he played the game last year under less than ideal circumstances and had to adjust his game a little to account for that. I think that maybe just brought a little more experience to his game.”

After returning in November, Crabtree finished last season with 34 catches for 487 yards in eight games, including the playoffs. Both Colin Kaepernick and Roman have noted he put up those numbers — he was nearly on pace for a 1,000-yard season — while significantly limited.

“He came off the Achilles injury and just really gutted it out at the end of the year,” Roman said. “… I don’t know that everyone would have played that early coming off that injury. But he wanted to get out and help the team. He didn’t make a lot of fanfare about it. Just toughed it out.”

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Cornerback Chris Culliver (leg) returned to practice today, but cornerback Tramaine Brock (leg) remained sidelined … Wide receiver Brandon Lloyd didn’t practice because of an injury Roman suggested was minor … Wide receiver Jon Baldwin returned to practice after missing Wednesday’s session … Defensive tackle Demarcus Dobbs didn’t practice for the second straight day.