- Anal Sphincter Function, Anatomy, and Complications
The anal sphincter surrounds the anus and controls the release of stool, thereby maintaining continence There are two muscles: the internal anal sphincter and the external anal sphincter
- Anus: Function, Anatomy, Conditions Diagram - Cleveland Clinic
At your anus, the tissue lining the inside of your large intestine begins to change from tender mucosa to normal skin Ring-like muscles called sphincters surround your anus and keep it closed until they’re activated to let your poop come out
- The anus - Canadian Cancer Society
Ring-like muscles called the anal sphincter keep the anus closed The anal sphincter is made up of the internal anal sphincter and the external anal sphincter These muscles stay tight to keep poop in the rectum, and relax to let it pass out of the body
- Sphincter Ani Muscles - Physiopedia
It occurs when the rectal pressure is higher than the anal sphincter pressure, and its risk factors include bowel disorders like diarrhoea, trauma to the anal sphincter, chronic disease burden, neurological disorders, inflammatory bowel disease, and anatomical disorders of the pelvic floor [7]
- Anal sphincter injury | Radiology Reference Article | Radiopaedia. org
Anal sphincter injury is a form of perineal trauma that can involve internal or external anal sphincters and may extend to the anorectal mucosa in severe cases
- External Anal Sphincter: Location, Innervation, Function, Diagram
The external anal sphincter is a ring of skeletal muscle that surrounds the lower end of the anal canal Along with the internal anal sphincter, it forms the sphincter ani muscle complex responsible for controlling defecation The muscle also belongs to the anal triangle of the perineum
- Rectum, Anus, and Anal Sphincter - HealthLink BC
The rectum connects the colon to the anus, which is the opening where stool exits the body The internal and external anal sphincters are rings of muscle at the opening of the anus
- Anus perianal area - PathologyOutlines. com
Embryologically divided by urogenital septum (cloacal membrane) into anterior GU and posterior GI compartments and separated from perianal ectoderm by anal membrane which ruptures at week 7 of gestation
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