Maxwell Everett wrote:
Personally, I always assumed that the gelatin discs in "Allegiance" were made from the collagen from the bodies of the previous inhabitants of the prison cell! Brings a whole new darker spin to the episode, huh? What would've happened to them if Picard hadn't discovered that the Starfleet cadet was an imposter and the aliens ended the experiment?
That would be a bit at odds with their later statements though.
"We were merely curious. We meant no harm."
"We did not, after all, injure you in any way."