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muscle anal The internal anal sphincter (IAS is a continuation of the rectal muscle under autonomous control and is responsible for maintaining anal continence at rest.. Join today to enjoy premium 18+ videos and photos available only on our Telegram channel. 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. muscle anal Unlock an exclusive world of adult content on our Telegram channel—join today and never miss out! 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" and join our channel to never miss out on any of the action! The anal sphincter is made up of sets of muscles called the "internal" and "external" sphincters. These muscles form a ring around the anus. Indulge in the finest, handpicked adult content waiting to ignite your senses.
