Tag: tissue engineering

Success! Functioning Anal Sphincter Grown in a Petri Dish

By Veronique Greenwood | August 10, 2011 3:59 pm

anal sphincter

Eyes, sperm, you name it: these days, chances are someone’s cooking it up on a little slab of agar and gearing up to graft/sew/implant it in anything that comes near. Today’s body part is the anal sphincter, that handy little ring of muscle that maintains the separation between your insides and your outsides. Researchers grew them from cells, implanted them in mice, and compared the new sphincters’ function with the animals’, ah, native orifices. And apparently, they were quite satisfactory.

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