Human anus - Wikipedia
网页In humans, the anus (pl.: anuses or ani; from Latin ānus, "ring", "circle") [1][2] is the external opening of the rectum located inside the intergluteal cleft. Two sphincters control the exit of feces from the body during an act of defecation, which is the primary function of the anus.
Anus: Function, Anatomy, Conditions & Diagram - Cleveland Clinic
网页2023年3月3日 · Anatomy. What is the anatomy of the anus? A row of vertical folds in the inside lining divides your anus into upper and lower parts. The folds form columns (anal columns) that are separated by grooves (anal sinuses) that end in smaller folds (anal valves). Your anal sinuses contain mucus-secreting glands.
Anus - Wikipedia
网页Anus. In most animals, [1][2] the anus (pl.: anuses or ani; from Latin, 'ring' or 'circle') is the external body orifice at the exit end of the digestive tract (bowel), i.e. the opposite end from the mouth. Its function is to facilitate the expulsion of wastes that remain after digestion.
Anus | Definition, Facts, & Structure | Britannica
网页structures of the human large intestine, rectum, and anus The mucosa of the large intestine is punctuated with numerous crypts that absorb water and are lined with mucus-secreting goblet cells. At the lower end of the rectum, the circular and longitudinal muscle layers terminate in the internal and external anal sphincters.
Anal Sphincter Function, Anatomy, and Complications - Verywell …
网页2024年1月2日 · The anal sphincter is a group of muscles at the end of the rectum. The rectum is located at the last few inches of the large intestine (colon). 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.
Rectum & Anus | Function & Parts | Rectum Diagram Video
网页This muscle relaxes and allows the rectum to straighten. The anal sphincter and pelvic floor muscles also relax. This all happens at the same time to allow stool to pass. Learn more about the anatomy of the rectum and anus. Our video diagrams the parts that make up the rectum and anus, and their functions.
The GI Tract (Video) Flashcards - Quizlet
网页Study with Quizlet and memorize flashcards containing terms like Starting at the mouth and moving towards the anus, what is the correct order of the organs of the GI tract? a.
The Anal Canal - Structure - Arterial Supply - TeachMeAnatomy
网页2024年1月31日 · The anal canal is the final segment of the gastrointestinal tract. It has an important role in defecation and maintaining faecal continence. In this article, we shall look at the anatomy of the anal canal – its position, structure, relations and neurovascular supply.
Rectum: Function, Anatomy, Length & Location - Cleveland Clinic
网页Your rectum, at the end of it, curls under your abdominal organs, toward your anus. It exists in the pelvic cavity between your abdomen and pelvis floor muscles. The top connects to your sigmoid colon and the bottom connects to your anus.
Anatomy of the Anus - Saint Luke's Health System
网页The anus is the last part of the digestive tract. It’s at the end of the rectum. It's where stool comes out of the body. It consists of a muscular ring (called a sphincter) that opens during a bowel movement to allow stool (feces) to pass through, as well as flat cells that line the inside of the anus.
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