- Tappen (biology)
A tappen is an obstruction, or indigestible mass, found in the intestines of bears and other animals during
hibernation . Also referred to as a "rectal plug." They make it difficult for the animal todefecate during hibernation, but are often passed with great pain in the spring time.cite book |title= Oxford English Dictionary|edition=2nd Edition|publisher=Oxford University Press |isbn=0198611862|year=1989.
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