"Fecal incontinence because of degenerated or weakened internal anal sphincter (IAS) has a high incidence rate in aging populations," begins the study. "Bioengineering could play a role in developing a translational approach to remedy fecal incontinence because of weakened IAS."
After implanting the lab-grown circles into eight mice, the new structures were successfully colonized by blood vessels and performed their intended function, says the study.
TOM: The only side effect in humans is that you end up crapping little pellet poops.
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