Likely pressure: Anal closure is the result of a purse string like set of muscles. Stool passage is meant to be by a gradual relaxation & stretch of the skin. The explosive/bursting pressure of a stool bolus could easily force the tissue open and create a tear. Random bits of semi-formed stool likely augment the escaping load.
Answered 4/12/2018
347 views
2 doctors weighed in across 2 answers
6 doctors weighed in across 3 answers
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question