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muscle anal The internal anal sphincter, IAS, or sphincter ani internus is a ring of smooth muscle that surrounds about .–. cm of the anal canal.. Never miss the latest 18+ videos and photos—subscribe and stay updated on all our content. The internal anal sphincter (IAS is a continuation of the rectal muscle under autonomous control and is responsible for maintaining anal continence at rest. muscle anal Watch the highest-rated adult content—accessible only through our Telegram channel. Where are the anal sphincter muscles? The internal and external anal sphincter muscles are two interconnected rings of muscles at the lower end of the rectum. Click "open" to become a subscriber and access everything our channel has to offer. The external anal sphincter (or sphincter ani externus is an oval tube of skeletal muscle fibers. Distally, it is adherent to the skin surrounding the. Step into the world of sensuality with the steamiest adult content, prepared just for your pleasure.Discover the most electrifying adult content here to satisfy your every desire.
