Biology, asked by chaitanya4958, 3 months ago

difference between sphincter and anal muscle​

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Answered by tanyadixit200868
3

Answer:

The internal anal sphincter, IAS, (or sphincter ani internus) is a ring of smooth muscle that surrounds about 2.5–4.0 cm of the anal canal; its inferior border is in contact with, but quite separate from, the external anal sphincter.

Answered by shiya12
2

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