Question

what is sphincter explain .-​

Answer 1

Answer:

Listen to pronunciation. (SFINK-ter) A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body. Examples are the anal sphincter (around the opening of the anus) and the pyloric sphincter (at the lower opening of the stomach).

Answer 2

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A sphincter is a circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning. Sphincters are found in many animals. ... Sphincters relax at death, often releasing fluids and faeces.

Explanation:

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