Originally Posted by analog

Something long and cylindrical, but not a larvae or maggot or anything else like that. Since it was the last thing taken out, I'd assume that this more solid tube of pus was the first bit of pus that was created inside the wound, when it was small and dense. Once the wound began to infect a lot more, it filled with much more fluid, and that's why the rest was much more viscous. I don't see any reason to believe it's anything more than a relatively solid tube of dense pus.