"Now they know what they have to do and what behaviour is expected of them when they're in a Chelsea shirt," he said.
Left-back Ashley Cole has also been subject to accusations of infidelity.
The Premier League leaders have endured several weeks of intense media speculation concerning the conduct of some of their players.
The player subject to most scrutiny has been centre-half Terry, relieved of his England skipper duties on 5 February by manager Fabio Capello following allegations of an affair with the ex-girlfriend of former Blues colleague Wayne Bridge.
Chelsea striker Didier Drogba admitted the claims about Terry's private life had made it a "difficult week" before last week's win over Arsenal, adding that their captain had still received full support from his team-mates.
All the players were there. Ron spoke for the club, for the owner, and the players listened." Chelsea coach Carlo Ancelotti Ancelotti did not divulge the details of this week's 10-minute meeting with the team at the club's training ground, but said it was "explained to them the behaviour that is required of the players in this club".
The Italian coach added: "We are interested, me and the club, in protecting the image of this club. Not only the players and the manager, all the staff - the people who work in this club - have to protect that image.
"We want to carry that forward. And I think the players and all the staff know very well what they have to do.
"All the players were there. Ron (Gourlay) spoke for the club, for the owner (Roman Abramovich), and the players listened."
Ancelotti will next take his side to struggling Wolves knowing that a victory will keep them at the summit of the Premier League table.