Their stories aimed to bolster prosecutors' argument that Cosby's attack on Constand wasn't a singular error but part of a pattern of misbehavior.
The Associated Press does not typically identify people who say they are victims of sexual assault unless they grant permission, which Constand has done.
Constand took the stand Friday morning when Cosby's lead defense attorney Tom Mesereau set the foundation for his team's attack on Constand's credibility - the strategy the defense has employed since before the trial started.
Prosecutors are building to the conclusion of their case against Cosby with investigators and a pharmaceutical expert expected to take the stand beginning Tuesday in the comedian's sexual assault retrial.
Cosby, 80, faces three counts of aggravated indecent assault, each punishable by 10 years in prison.
As Cosby arrived at the suburban Philadelphia courthouse Tuesday, spokeswoman Ebonee Benson told reporters that their testimony "seemed to be more colorful and more embellished" than at the first trial. They said she had called him more than 70 times in the weeks after the encounter.
Constand was cross-examined on Monday, April 16 as the embattled comedian's defense team sought to expose her as a con artist.
The defence lawyer then asked, "Did you ever fabricate a scheme to falsely accuse him for money?"
Phone records show the former director of women's basketball operations at Temple University made brief calls to Cosby around the time of a Temple home game on February 14, 2004.
"I might have been mistaken", Ms Constand replied. "This isn't about money".
They asked about calls made to Cosby after the alleged assault, and then there was the question about a clause in a civil suit settlement agreement in which Constand said she would not file criminal charges against Cosby.
Gianna Constand said she was "very combative" with Cosby, demanding he tell her the medication he had given her daughter and what he had done to her.
The mother began crying on the stand when asked how she knew what Cosby allegedly did to her daughter.
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"When I was talking to him my anger was so fierce, I had broken capillaries in my eyes and my eyes were like two pools of blood", Constand, who traveled from Ontario, Canada to testify, said of the January 2005 phone call.
"Can you find one single call for the whole month of January to his Elkins Park number?"
Cosby has repeatedly denied the accusations, saying any sexual contact was consensual. His first trial ended with a hung jury.
First trial: Cosby lawyer Angela Agrusa suggested Constand once enjoyed a romantic dinner at Cosby's home.
Gianna Constand said Cosby told her he'd given Andrea Constand a prescription drug - not the cold and allergy medicine Benadryl as he has claimed - but didn't provide the name.
Constand testified that she felt a duty to answer Cosby's inquiries because he was a powerful alumnus and trustee.
Bill Cosby paid almost $3.4m (£2.4m) in a settlement after the civil case closed in 2006.
Gianna Constand repeated several times, "you're wrong".
The defence pointed to the phone records as evidence that she had kept in touch with Cosby in the following weeks at a level at odds with her account of having been assaulted.
Constand also struggled to explain why she had sent emails soliciting funds for a purported Ponzi scheme while at Temple, claiming she didn't know much about the company and had only cut and pasted promises of big returns for a risk-free $65 investment to help a friend.
O'Neill said he was anxious he'd have to wait to have the procedure during the week, delaying testimony and keeping sequestered jurors in their hotel longer.
Second trial: Constand testified she doesn't "recall ever having a conversation with" Jackson.