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. It is about 5 mm... 7 KB (728 words) - 02:45, 22 April 2024 |
Human anus (redirect from Anal hair) primary function of the anus. These are the internal anal sphincter and the external anal sphincter, which are circular muscles that normally maintain constriction... 18 KB (1,874 words) - 20:04, 31 March 2024 |
some anal fissures become chronic and deep and will not heal. The most common cause of non-healing is spasming of the internal anal sphincter muscle... 24 KB (2,570 words) - 11:37, 17 April 2024 |
anal glands or anal sacs are small glands near the anus in many mammals. They are situated in between the external anal sphincter muscle and internal... 26 KB (3,159 words) - 20:17, 1 April 2024 |
control the exit of feces from the body, the internal anal sphincter and external anal sphincter. The inner sphincter is involuntary and the outer is voluntary... 5 KB (503 words) - 23:39, 14 April 2024 |
Anismus (redirect from Anal sphincter dyssynergia) and the end of the internal anal sphincter. The internal anal sphincter forms the walls of the anal canal. The internal anal sphincter is not under voluntary... 38 KB (4,350 words) - 08:52, 13 April 2024 |
anal abscesses do not heal properly. Anal fistulae originate from the anal glands, which are located between the internal and external anal sphincter... 22 KB (2,759 words) - 18:49, 16 April 2024 |
Anal sphincter muscles may refer to: External anal sphincter Internal anal sphincter This disambiguation page lists articles associated with the title... 318 bytes (45 words) - 16:37, 2 January 2018 |
internal sphincterotomy is an operation performed on the internal anal sphincter muscle for the treatment of chronic anal fissure. The internal anal sphincter... 6 KB (738 words) - 21:34, 6 September 2023 |
Rectoanal inhibitory reflex (redirect from Anal sampling reflex) involuntary relaxation of the internal anal sphincter in response to distention of the rectum. The RAIR provides the upper anal canal with the ability to... 4 KB (468 words) - 21:55, 10 December 2023 |
Fecal incontinence (redirect from Anal incontinence) complications from prior anorectal surgery (especially involving the anal sphincters or hemorrhoidal vascular cushions), altered bowel habits (e.g., caused... 70 KB (7,891 words) - 08:09, 6 April 2024 |
Esophagus (redirect from Lower esophageal sphincter) known respectively as the upper esophageal sphincter and the lower esophageal sphincter. These sphincters act to close the esophagus when food is not... 46 KB (5,414 words) - 17:26, 11 February 2024 |
Pylorus (redirect from Pyloric sphincter) the duodenum. The orifice is surrounded by a sphincter, a band of muscle, called the pyloric sphincter. The word pylorus comes from Greek πυλωρός, via... 9 KB (967 words) - 21:19, 27 March 2024 |
Perineal tear (redirect from Anal sphincter injury) the external anal sphincter involving less than 50% thickness 3b: greater than 50% tear of the external anal sphincter 3c: internal sphincter is torn Fourth-degree... 17 KB (1,915 words) - 02:45, 22 April 2024 |
Surgical management of fecal incontinence (section Artificial bowel sphincter (artificial anal sphincter)) stimulation. Functional deficits of the external anal sphincter (EAS) and/or internal anal sphincter (IAS), i.e. where there is no structural defect,... 24 KB (3,023 words) - 04:04, 3 August 2023 |
Rectum (redirect from Anal cavity) the desire to pass feces, a process called defecation. An internal and external anal sphincter, and resting contraction of the puborectalis, prevent leakage... 22 KB (2,313 words) - 19:44, 13 March 2024 |
veins, toward the anal canal and the lower end of the rectum, and is distributed to the sphincter ani externus (external anal sphincter, EAS) and to the... 2 KB (245 words) - 15:12, 16 February 2024 |
technique of total anal sphincter preservation in high fistula in ano, which is based on the concept of excision of intersphincteric anal gland infection... 5 KB (662 words) - 15:51, 11 January 2022 |
Ileocecal valve (redirect from Ileocecal sphincter) Bauhin's valve, ileocecal eminence, valve of Varolius or colic valve) is a sphincter muscle valve that separates the small intestine and the large intestine... 6 KB (574 words) - 15:50, 15 December 2023 |
Rectal prolapse (redirect from Anal prolapse) atrophy of the external anal sphincter. Some authors suggest that pudendal nerve damage is the cause for pelvic floor and anal sphincter weakening, and may... 87 KB (9,591 words) - 16:17, 6 April 2024 |
nerve endings in the anal region and rectum can make anal sex pleasurable for men and women. The internal and external sphincter muscles control the opening... 98 KB (9,986 words) - 15:25, 21 April 2024 |
motor innervation of the hips, knees, ankles, feet, internal anal sphincter and external anal sphincter. In addition, the cauda equina extends to sensory... 8 KB (862 words) - 17:26, 22 January 2024 |
muscle layer in the wall of the anal canal between the internal anal sphincter (deep to CLM) and external anal sphincter (superficial to CLM). It is continuous... 1 KB (154 words) - 17:04, 1 January 2024 |
Stomach (redirect from Gastro-esophageal sphincter) is located between the esophagus and the small intestine. The pyloric sphincter controls the passage of partially digested food (chyme) from the stomach... 47 KB (4,982 words) - 10:49, 23 April 2024 |
Defecation (section Anal cleansing after defecation) muscles, relaxation of the internal anal sphincter, and an initial contraction of the skeletal muscle of the external anal sphincter. If the urge is not acted... 31 KB (3,686 words) - 19:18, 27 February 2024 |
mucosa Penile mucosa Respiratory mucosa Vaginal mucosa Frenulum of tongue Anal canal Conjunctiva Developmentally, the majority of mucous membranes are of... 7 KB (624 words) - 14:53, 29 November 2023 |