3 questions about Butt Holes

What is the scientific term for the opening at the end of the digestive tract where feces are expelled?

Anus

- Mayo Clinic

What is the medical condition characterized by the inflammation of the tissue around the anus?

Anal fissure

- American Academy of Family Physicians

In anatomy, what is the term for the muscular ring that surrounds and controls the opening of the anus?

Anal sphincter

- Merck Manual

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